| Site Number | Site Name | # Features | County | Site Type | Brief Description |
| 18AG23 | Second Terrace | 1 | Allegany | Prehistoric | Early and Late Archaic and Early Woodland short-term resource procurement and lithic reduction camp |
| 18AG44 | Wallizer | 9 | Allegany | Prehistoric | Late Woodland village with Archaic and Middle Woodland occupations |
| 18AG160 | Wild Turkey | 1 | Allegany | Prehistoric | Late/Terminal Archaic tool manufacturing site |
| 18AG183 | Romsburg Site | 3 | Allegany | Historic/Prehistoric | Early to Late Archaic short-term camp, Historic Unknown |
| 18AG186 | Evitts Creek 1 | 1 | Allegany | Prehistoric | Early & Late Archaic and Early, Middle & Late Woodland short-term camps, possible base camp |
| 18AG206 | Mechanic Street South | 43 | Allegany | Historic | 19th- to early 20th-century urban neighborhood |
| 18AG215 | Lonaconing | 8 | Allegany | Historic | 19th- to 20th-century town |
| 18AG227 | Crescent Lawn | 41 | Allegany | Historic | Mid-19th- to early 20th-century foundry, housing, lumberyard, millrace & canal boat buildings & repair yard |
| 18AG229 | A-1 | 1 | Allegany | Prehistoric | Early & Late Archaic and probable Early and Late Woodland short-term resource procurement camp |
| 18AG234 | D-1 | 1 | Allegany | Historic/Prehistoric | Late Archaic and Early, Middle & Late Woodland short-term camps, mid- 19th- to 20th-century artifact scatter |
| 18AN19 | Dorr Site | 3 | Anne Arundel | Historic/Prehistoric | Multicomponent site with Woodland component and two scatters, 18th and 19th C., historic artifacts |
| 18AN39 | Saunders Point | 1 | Anne Arundel | Historic | Mid-18th-century cellar or storage feature |
| 18AN65 | Beck NE Site | 7 | Anne Arundel | Prehistoric | Middle Woodland shell midden, stratified Late Archaic to Early Woodland short-term camps |
| 18AN113 | Obrecht's | 27 | Anne Arundel | Prehistoric | Early to Late Woodland base camp and village |
| 18AN143 | Luce Creek | 2 | Anne Arundel | Prehistoric | Middle Woodland shell midden |
| 18AN279 | Rose Haven | 16 | Anne Arundel | Prehistoric | Single component Middle Woodland |
| 18AN398 | Kelly Pool | 2 | Anne Arundel | Historic/Prehistoric | Archaic lithic scatter; late 18th- to mid-19th-century tenant house site |
| 18AN400 | Intersection | 6 | Anne Arundel | Historic/Prehistoric | Late Archaic and Woodland short-term resource procurement. Late 19th-century blacksmith shop and refuse midden |
| 18AN408 | DCC 2 | 1 | Anne Arundel | Historic/Prehistoric | Late Archaic base camp, Early, Middle and Late Woodland short-term resource procurement camps. Historic scatter |
| 18AN489 | Higgins Site | 26 | Anne Arundel | Historic/Prehistoric | Paleoindian - Late Woodland multi-component base camp, lithic workshop, mid-19th- to early 20th-century scatter |
| 18AN497 | Benson-Hammond | 5 | Anne Arundel | Historic | 19th-century standing house, farmstead |
| 18AN498 | Hawkins Road 1/ Boehm | 1 | Anne Arundel | Historic | Late 17th- or early to mid-18th-century house site, mid- to late 18th-century house site |
| 18AN500 | Fischer Site | 3 | Anne Arundel | Historic | Late 19th- to early 20th-century African-American tenant house ruin |
| 18AN512 | Belt Residence | 3 | Anne Arundel | Historic | c. 1900 small tenant house site |
| 18AN579 | Timbuktu #1 | 9 | Anne Arundel | Prehistoric | Late Archaic quartz cobble quarry |
| 18AN580 | Koppers East | 1 | Anne Arundel | Prehistoric | Early & Late Archaic lithic scatter/short-term resource camp |
| 18AN596 | The Wilderness | 13 | Anne Arundel | Historic | 19th-century German-American farmstead, possible forge |
| 18AN817 | Stephen Steward Shipyard | 8 | Anne Arundel | Historic | 18th-century shipyard |
| 18AN998 | Lee | 2 | Anne Arundel | Historic/Prehistoric | Late 18th- to early 19th-century dwelling, possible tenant house, Late Archaic to Middle Woodland lithic scatter |
| 18AN1000 | Larkington | 10 | Anne Arundel | Historic/Prehistoric | L. Archaic and E. & M. Woodland short-term camps/shell middens; 18th-early 19th & Late 19th-Early 20th houses |
| 18AN1151 | B. Smith Site | 16 | Anne Arundel | Historic | Late 18th- to early 19th-century house site; mid 19th- to mid 20th- century house site; late 19th-
century tenant house |
| 18AN1534 | Belvoir (Scott's Plantation) | 38 | Anne Arundel | Historic | 18th century slave quarter |
| 18AP14 | Victualling Warehouse | 11 | Annapolis | Historic | 19th-century brick standing warehouse, 18th-century warehouse site |
| 18AP37 | Retallick-Brewer House | 8 | Annapolis | Historic | Late 18th c. standing structure in Annapolis |
| 18AP39 | Newman Street | 4 | Annapolis | Historic | 18th- to 20th centutry residential and commercial |
| 18AP42 | State House Inn | 12 | Annapolis | Historic | 19th-20th century standing inn structure |
| 18AP52 | Gott's Court | 63 | Annapolis | Historic | 18th- to 19th-century commercial district and 20th-century African-American enclave in Annapolis |
| 18AP53 | John Brice II (Jennings-Brice) House | 7 | Annapolis | Historic | Domestic site in Annapolis |
| 18AP64 | Maynard Burgess House | 40 | Annapolis | Historic | Standing structure that was home to two African American families from 1850 to 1980 |
| 18AP75 | 209 Main Street | 4 | Annapolis | Historic | Two trash pits associated with a late 17th- and early 18th-century tavern |
| 18AP80 | Gateway Circle | 35 | Annapolis | Historic | 19th- and 20th-century urban rowhouse community, possibly African American |
| 18AP84 | Dunn Site | 3 | Annapolis | Historic | Archaeology revealed 18th c. midden associated with a tavern |
| 18AP113 | West Street Lot 26 | 3 | Annapolis | Historic | Urban backyard site in downtown Annapolis |
| 18APx24 | Pinkney Street Bottle Pit | 1 | Annapolis | Historic | Last half 18th century bottle pit |
| 18BA71 | UMBC | 2 | Baltimore County | Prehistoric | Archiac, Woodland short-term resource procurement |
| 18BA100 | Howard - McHenry Mill | 8 | Baltimore County | Historic | 19th-century mill and tenancy |
| 18BA106 | Painters Mill/ Painters Camp | 7 | Baltimore County | Prehistoric | Early Archaic to Late Woodland base camp |
| 18BA158 | TDJ - Field N (2) | 3 | Baltimore County | Prehistoric | Middle and Late Archaic, Woodland unknown |
| 18BA196 | Granite Manufacturing Mill | 5 | Baltimore County | Historic | Mid-19th-century mill/factory |
| 18BA282 | Banneker | 10 | Baltimore County | Historic | early 18th to early 19th-century African-American farmstead |
| 18BA283 | Treuth Residence | 4 | Baltimore County | Historic/Prehistoric | mid-19th-century structure.; late 18th-century possible residence re-used as a barn or garage; prehistoric scatter |
| 18BA313 | MAAR Feature II | 6 | Baltimore County | Historic | Four mid-19th-century connected houses |
| 18BA314 | Workers Barracks | 27 | Baltimore County | Historic | mid- to late 19th-century immigrant Irish workers' housing |
| 18BA325 | Poe-Burns Duplex | 26 | Baltimore County | Historic | Mid-19th-century standing residential duplex |
| 18BA330 | Dolfield Summer House Complex | 8 | Baltimore County | Historic | Late 19th- to mid-20th-century house |
| 18BA330A | Dolfield Farmstead/Caretakers House | 9 | Baltimore County | Historic | late 19th- to 20th-century farmstead/tenant house |
| 18BA331 | House Site #1 | 6 | Baltimore County | Historic | Late 19th- to late 20th-century tenant house |
| 18BA332 | Tenant House Site | 4 | Baltimore County | Historic | Mid-19th- to mid-20th-century African-American tenant house |
| 18BA370 | Todd's Inheritance | 4 | Baltimore County | Historic | Mid- to late 17th- to 20th-century plantation |
| 18BA394 | Owings Mill Newtown Site A | 1 | Baltimore County | Prehistoric | Temporary short-term prehistoric occupation |
| 18BA409 | Historic Site #1/Hoff/Dorsey | 29 | Baltimore County | Historic/Prehistoric | Middle Woodland short-term camp; Late 18th- to early 19th-century house site |
| 18BA433 | Lyonsfield Run III | 9 | Baltimore County | Prehistoric | Early to Middle Woodland short-term resource procurement |
| 18BA444 | Grant Site | 8 | Baltimore County | Prehistoric | Late Woodland base camp |
| 18BA445 | UMBC-1 | 2 | Baltimore County | Historic/Prehistoric | Late 18th- to 20th-century farmstead; prehistoric lithics |
| 18BA470 | AVW/Area 9/Site 2 | 11 | Baltimore County | Historic | Mid-19th to early 20th-century house site |
| 18BA526 | AVW/Area 2/Site 3 | 1 | Baltimore County | Historic | Late 19th-century artifact concentration |
| 18BA531 | AVW/Area 2/Site 8 | 1 | Baltimore County | Historic | Late 18th- or early 19th- to 20th-century artifact concentration |
| 18BA536 | AVW/Area 5/Site 1 | 6 | Baltimore County | Historic | Mid-19th- to early 20th-century house site |
| 18BA552 | Connemara | 29 | Baltimore County | Historic/Prehistoric | Mid 18th- to late 20th-century plantation; possible Late Archaic settlement, possible Late Woodland hunting site |
| 18BA556 | E. Hensel House | 6 | Baltimore County | Historic/Prehistoric | Late Archaic lithic scatter; 19th- to 20th-century house site |
| 18BA564 | Lee Blacksmith Shop | 3 | Baltimore County | Historic | 1907-1942 blacksmith shop owned by William K. Lee |
| 18BA565 | | 0 | Baltimore County | | |
| 18BC17 | Robert Long House | 2 | Baltimore City | Historic | Mid-18th- to 19th-century brick house; 20th-century commercial building |
| 18BC27 | Federal Reserve | 45 | Baltimore City | Historic | 3 block urban area in Otterbein neighborhood of Baltimore. |
| 18BC32 | H and S Bakery | 20 | Baltimore City | Historic | Early 19th-century buried midden and privies, other 19th- to 20th-century rowhouse features |
| 18BC38 | Clagett's Brewery | 15 | Baltimore City | Historic | |
| 18BC48 | Albemarle Rowhouse | 4 | Baltimore City | Historic | Baltimore rowhouse built around 1815 |
| 18BC49 | Albemarle Rowhouse | 10 | Baltimore City | Historic | Baltimore rowhouse built c. 1810-1813. Wealthy neighborhood until mid-19th century, when became businesses and residences of middle class European immigrants |
| 18BC50 | Albemarle Rowhouse | 10 | Baltimore City | Historic | Baltimore rowhouse built c. 1795; 3 story; 48 Albemarle Street. Also has archaeological features from sub-divided lots at 802 and 804 E. Lombard Street. |
| 18BC51 | Levering Coffee House | 25 | Baltimore City | Historic | Late 18th- to 19th-century residential and commercial buildings, mid- and late 19th-century warehouses |
| 18BC52 | Queen Street Lot 23 | 10 | Baltimore City | Historic | Late 18th- to early 19th-century brick rowhouses. |
| 18BC53 | Miller's Wharf | 1 | Baltimore City | Historic | Two late 18th-century residential/commercial buildings; mid-19th century warehouse |
| 18BC56 | American Can Company | 3 | Baltimore City | Historic | Five mechanically excavated trenches near Harford Run storm water drain (c. 1888) where it crosses American Can Company |
| 18BC57 | Bond Street Site (London Coffeehouse) | 14 | Baltimore City | Historic | Late 18th-century brick rowhouses/taverns; early 19th-century brewery; mid-19th-century
warehouse |
| 18BC62 | Pier 5 | 22 | Baltimore City | Historic | Early 19th century piers and fill used to create them. Also remains of tin can factory. |
| 18BC63 | Pier 6 | 6 | Baltimore City | Historic | Early 19th century piers and fill used to create them |
| 18BC66 | Shot Tower Subway Station | 28 | Baltimore City | Historic | Lot associated with 709 E. Baltimore St. Structure served as home and businesses, primarily grocery and dry goods stores. Home to bakery and grocery in last decade of 18th century. |
| 18BC79 | Ruth Saloon | 5 | Baltimore City | Historic | Early to mid-19th-century brick house and late 19th- to early 20th-century house/saloon; early 19th-century privy |
| 18BC80 | Privy 19A01 | 1 | Baltimore City | Historic | Late 19th- to early 20th-century rowhouses and privy |
| 18BC81 | Privy 3 | 1 | Baltimore City | Historic | Early 19th- to early 20th-century privy |
| 18BC82 | Donut Delight (Property 2) | 6 | Baltimore City | Historic | 19th- to early 20th-century brick rowhouses and stove foundry. |
| 18BC83 | Diggs-Johnson (MSA-06) | 3 | Baltimore City | Historic | Mid-19th to mid-20th-century rowhouses |
| 18BC84 | Southern Seafood (Property 10) | 2 | Baltimore City | Historic | Late 18th- to early 20th-century rowhouses and mid-19th- to early 20th-century industrial buildings |
| 18BC85 | Ramcor (Property 9) | 2 | Baltimore City | Historic | Mid-19th to early 20th-century rowhouses |
| 18BC86 | Heat and Power Company (Property 12) | 2 | Baltimore City | Historic | Late 19th- to mid-20th-century rowhouses; urban residential |
| 18BC88 | Pawley Stoneware Kiln | 10 | Baltimore City | Historic | Mid-19th-century stoneware kiln |
| 18BC89 | J.S. Berry Firebrick Company Pug Mill | 3 | Baltimore City | Historic | Brick making |
| 18BC90 | Eliza Dorsey Site | 3 | Baltimore City | Historic | Early 19th-century possible house site; late 19th- to mid-20th-century rowhouses |
| 18BC101 | Leakin Park/Crimea | 1 | Baltimore City | Historic | Early to mid 19th c. domestic site |
| 18BC132 | 826-830 Mechanics Court | 8 | Baltimore City | Historic | Three 19th-century African-American house foundations & backyard features |
| 18BC133 | The Independent Grays' Privy | 3 | Baltimore City | Historic | Late 19th- to early 20th-century domestic privy |
| 18BC135 | 426-432 North Exeter Street | 21 | Baltimore City | Historic | Six 19th-century rowhouses and early 19th-century sugar refinery |
| 18BC139 | Bull's Head Tavern | 47 | Baltimore City | Historic | 18th- to 19th-century townhouse lots and tavern |
| 18BC188 | Stinchcomb Farmstead | 5 | Baltimore City | Historic | Mid 19th-early 20th c. farmstead within current bounds of Leakin Park |
| 18BC195 | H.L. Mencken House | 6 | Baltimore City | Historic | Archaeological monitoring of construction work in rear yard of standing 1883 brick rowhouse |
| 18CA21 | Wessel Site | 4 | Caroline | Prehistoric | Stratified Early & Late Archaic and Early, Middle, & Late Woodland occupations |
| 18CA87 | Tuckahoe | 1 | Caroline | Historic | Early to Middle Woodland base camp; Late Woodland scatter; 19th to 20th-century artifact scatter; mid-20th-century refuse |
| 18CA203 | MD RT 404 Site A | 4 | Caroline | Historic/Prehistoric | Middle Archaic, Early Woodland short-term camp; Middle or Late Woodland hamlet; 20th-century trash |
| 18CA239 | Koubek Site | 105 | Caroline | Historic/Prehistoric | Early Archaic to Late Woodland camp; Prehistoric ossuary; 18th- to 20th-century scatter; Late 19th- to
20th-century cannery |
| 18CE14 | Conowingo | 5 | Cecil | Prehistoric | Late Archaic to Late Woodland, Contact period base camp; short-term resource procurement, early 19th to 20th-century scatter. |
| 18CE29 | Hollingsworth Farm | 28 | Cecil | Prehistoric | Archaic to Woodland base camp; burial |
| 18CE153 | 10001-1 | 1 | Cecil | Historic/Prehistoric | Late Archaic and Late Woodland short-term resource procurement; 19th-century artifact scatter |
| 18CH73 | Pomonkey North | 10 | Charles | Prehistoric | Primarily an Early to Early Middle Woodland settlement with smaller Late Archaic and Late Woodland components |
| 18CH79 | Chapel Point | 3 | Charles | Historic/Prehistoric | Early and Late Archaic short-term camp; Early-Late Woodland shell midden; 17th- to 19th-century cemetery |
| 18CH305 | Camp Stanton | 8 | Charles | Historic | Civil War military encampment for U.S. Colored Troops |
| 18CH308 | Two Friends Site | 25 | Charles | Historic | 18th-century house site |
| 18CH350 | Mathews Site | 19 | Charles | Historic/Prehistoric | Early and Late Woodland artifact scatter; 17th-century sherd, late 18th- to 19th-century plantation house |
| 18CH351 | Vulture | 1 | Charles | Historic | Possible mid-18th to early 19th-century house site |
| 18CH352 | Clagett | 7 | Charles | Historic/Prehistoric | Late Woodland artifact scatter; early to late 19th-century plantation |
| 18CH353 | Crabb Grass | 2 | Charles | Historic | mid-18th-century artifact scatter and possible tenant house site |
| 18CH354 | Bateman Site | 9 | Charles | Historic/Prehistoric | Lithic scatter (poss. Late Woodland); mid-18th-century artifact scatter and possible structure site. |
| 18CH355 | Beach Site | 3 | Charles | Historic/Prehistoric | Late Archaic and Early Woodland lithic scatter; 18th-century artifact scatter on beach |
| 18CH358 | Clifton Site | 18 | Charles | Historic/Prehistoric | Early Archaic to Late Woodland short-term camps with stratified sequence; early to mid-18th-century plantation |
| 18CH374 | Area 1-A, Site D | 1 | Charles | Prehistoric | Prehistoric short-term camp/lithic scatter |
| 18CH376 | Area A-1, Site F | 1 | Charles | Historic/Prehistoric | Late Archaic base camp; 18th-century and mid-19th to 20th-century artifact scatters |
| 18CH377 | Area A-1, Site J | 2 | Charles | Historic/Prehistoric | 17th- to 18th-century/Contact Period farmstead; Late Woodland unknown; possible Woodland-Contact
village |
| 18CH378 | Area A-1/Site L | 1 | Charles | Historic/Prehistoric | Late Archaic base camp, late 18th- to early 19th-century tenant farmstead |
| 18CH379 | Area A-1/A-2, Site S A-B | 6 | Charles | Historic/Prehistoric | Prehistoric lithic scatters/short-term camps; late 18th- to 20th-century African-American farm complexes & tenant house |
| 18CH380 | Area A-3, Site A | 2 | Charles | Historic/Prehistoric | Late Archaic/Early Woodland camp; Late Woodland base camp; late 18th- or early 19th-century artifact scatter |
| 18CH381 | Area A-3/B-2, Site D | 1 | Charles | Historic/Prehistoric | Middle Archaic short-term camp; Late Woodland base camp |
| 18CH383 | Area B-1, Site B | 1 | Charles | Prehistoric | Prehistoric short-term camp |
| 18CH385 | Area B-1, Site D | 1 | Charles | Historic/Prehistoric | Late Archaic and Late Woodland short-term camp; 18th-century artifact scatter |
| 18CH664 | Homeland Brick Clamp Site | 5 | Charles | Historic | Historic brick clamp, possibly 18th or 19th century |
| 18CH724 | Horse Farm #6 | 7 | Charles | Historic/Prehistoric | Early Archaic & Early Woodland base camp or short-term camp; 18th-, 19th-, & 20th-century farmstead |
| 18CH728 | Horse Farm #10 | 2 | Charles | Historic | Late 18th- through 19th- or early 20th-century possible razed cabin |
| 18CH797 | Nice Bridge Shell Midden Site | 3 | Charles | Prehistoric | Shell midden site |
| 18CH821 | Serenity's Surprise | 7 | Charles | Historic/Prehistoric | mid-17th- to early 18th-century domestic site (possible trading post); Early & Middle Woodland base camp |
| 18CH850 | Oliver's Crossing | 6 | Charles | Historic/Prehistoric | Mid to late 18th c. through late 19th c. tenant home site |
| 18CR163 | Getty | 16 | Carroll | Historic | 19th- to 20th-century lime kiln and quarry |
| 18CR224 | Drechsler Site | 4 | Carroll | Historic | 19th- to 20th-century farmstead |
| 18CR226 | Lowry (Elizabeth Lowry House) | 10 | Carroll | Historic | Mid-19th- to 20th-century African-American extant house and site |
| 18CV13 | Brewhouse | 1 | Calvert | Historic | Standing 18th c. house that was birthplace of Gov. Thomas Johnson |
| 18CV17 | Stearns | 5 | Calvert | Prehistoric | Early & Late Archaic and Early, Middle & Late Woodland shell midden; village |
| 18CV22 | Calverton | 7 | Calvert | Historic/Prehistoric | 17th-18th century county seat and prehistoric shell midden |
| 18CV60 | Angelica Knoll | 1 | Calvert | Historic | Plantation site that most likely represents the residence of Quaker Richard Johns, his family and descendants. |
| 18CV61 | Ridgely Farm | 1 | Calvert | Historic/Prehistoric | Multi-component prehistoric; 19th to 20th-century farmstead |
| 18CV65 | Patterson I | 22 | Calvert | Prehistoric | Early, Middle & Late Archaic camps and Early, Middle & Late Woodland shell midden/village |
| 18CV83 | King's Reach | 25 | Calvert | Historic/Prehistoric | Late 17th- to early 18th-century plantation and prehistoric camp |
| 18CV84 | King's Reach Quarter | 7 | Calvert | Historic/Prehistoric | Late 17th to early 18th-century house site and prehistoric camp |
| 18CV91 | Smith's St. Leonard | 72 | Calvert | Historic | Early to mid-18th-century plantation, possible late 17th-century outbuilding |
| 18CV151 | Bowens Road II | 39 | Calvert | Historic/Prehistoric | Mid-18th to mid-19th-century house site; possible slave quarter; Early Archaic & Late Woodland lithic scatter |
| 18CV152 | Bowen's Road III | 1 | Calvert | Historic/Prehistoric | Early to mid-20th-century farmstead site with standing barn; prehistoric lithic scatter |
| 18CV171 | Cumberland Palisaded Village | 63 | Calvert | Prehistoric | Archaic and Early and Middle Woodland short-term camp. Late Woodland palisaded village |
| 18CV175 | Trueman's Appeal | 7 | Calvert | Historic | 19th-century farmstead |
| 18CV217 | John's Creek Cabin | 3 | Calvert | Historic | 19th to early 20th-century domestic site/country store |
| 18CV271 | Patuxent Point | 71 | Calvert | Historic | Remnants of a 17th-century homelot and associated cemetery |
| 18CV272 | Otter Site | 19 | Calvert | Prehistoric | Middle Woodland base camp; Archaic to Early Woodland |
| 18CV279 | Compton/Patuxent II | 26 | Calvert | Historic/Prehistoric | Mid- to late 17th-century homelot; Woodland camp |
| 18CV344 | Chapline Place/Field Locus 8/ Young Property | 7 | Calvert | Historic/Prehistoric | Cluster of impermanent mid-18th to early 19th-century structures; tenant or slave; prehistoric
scatter |
| 18CV350 | Roberts Site | 4 | Calvert | Historic | 18th-century artifact concentration |
| 18CV362 | Ashcomb's Quarter and Awapantop | 24 | Calvert | Historic/Prehistoric | Mid-17th and early 18th c. rural domestic site, Late Archaic through Late Woodland hamlet/shell midden |
| 18CV426 | Sukeek's Cabin | 16 | Calvert | Historic | Late 19th-to early 20th-century African-American cabin ruins |
| 18CV474 | GA1 Site 1 | 6 | Calvert | Historic | Mid-19th to early 20th c. domestic site |
| 18CV480 | GA1 Site 7 | 12 | Calvert | Historic | Mid-19th to early 20th c. domestic complex |
| 18CV482 | GA1 Site 9 | 2 | Calvert | Historic | Late 19th c. domestic site |
| 18CV524 | Steve Embrey Site | 3 | Calvert | Historic | Late 19th-early 20th century domestic sit and undated brick clamp |
| 18DO58 | Horn Point | 1 | Dorchester | Historic/Prehistoric | Late 17th- and 18th-century house site; Late Archaic and Middle & Late Woodland short-term camp |
| 18DO170 | Shoal Creek | 12 | Dorchester | Historic/Prehistoric | Early Archaic to Late Woodland possible base camps or hamlets; 19th-century domestic scatter |
| 18DO173 | State Hospital | 1 | Dorchester | Historic/Prehistoric | Prehistoric short-term camp/lithic reduction site, late 19th- to early 20th-century possible farm building |
| 18DO394 | Sites 2/8 | 2 | Dorchester | Historic/Prehistoric | Early Woodland base camp,Middle & Late Archaic & Middle & Late Woodland short-term camp; possible 19th- to 20th-century landing |
| 18FR14 | Biggs Ford | 34 | Frederick | Prehistoric | Late Woodland village with 12 burials |
| 18FR17 | Nolands Ferry | 17 | Frederick | Historic/Prehistoric | Paleoindian, Archaic, and Woodland base camp and Late Woodland village; possible early 18th-century house |
| 18FR18 | Rosenstock | 24 | Frederick | Prehistoric | Late Woodland Village |
| 18FR21 | Wiles I | 1 | Frederick | Prehistoric | Paleoindian (possible), Middle and Late Archaic, and Early, Middle and Late Woodland short-term resource procurement |
| 18FR82 | Rose Hill Manor | 1 | Frederick | Historic/Prehistoric | Late 18th-to 20th-century plantation; Middle & Late Woodland short-term resource procurement |
| 18FR110 | Wiles II | 1 | Frederick | Prehistoric | Late Archaic and Early, Middle and Late Woodland short-term camp |
| 18FR134 | Schiefferstadt | 8 | Frederick | Historic/Prehistoric | Late Archaic & Late Woodland short-term camp & base camp; mid-18th- to 20th-century standing stone house |
| 18FR320 | Catoctin Foundry | 27 | Frederick | Historic | Late 18th-century mill race; early to mid-19th-century iron foundry/forge |
| 18FR321 | Catoctin Bathhouse, Spring, Race | 29 | Frederick | Historic | Late 18th to early 20th-century bathhouse and raceway |
| 18FR323 | 18FR323 Catoctin/Renner Burial Ground | 36 | Frederick | Historic | Late 18th to early 19th-century African-American cemetery |
| 18FR324 | Catoctin/Carty House | 5 | Frederick | Historic | 19th- to early 20th-century log house foundations |
| 18FR327 | Catoctin Race Pond | 1 | Frederick | Historic | Early 19th- to 20th-century race pond |
| 18FR328 | Catoctin Three Ore Mines | 8 | Frederick | Historic | Late 18th- to 19th-century ore mines, charcoal road, and raceway head |
| 18FR333 | Catoctin Stack 2 Casting Shed | 16 | Frederick | Historic | Late 19th- to early 20th-century iron furnace stack and casting shed. |
| 18FR575 | Birely Tannery | 27 | Frederick | Historic | late 18th - early 20th c. tannery complex |
| 18FR592 | Double Pipe Creek | 1 | Frederick | Prehistoric | Late Archaic short-term resource procurement camp |
| 18FR612 | SHA Site 2 | 8 | Frederick | Historic/Prehistoric | Mid-19th- to 20th-century farmstead ruin. Possible saw mill (per map); prehistoric lithic scatter |
| 18FR633 | Shriner | 2 | Frederick | Historic/Prehistoric | Prehistoric lithic scatter; early 19th- to 20th-century farmstead |
| 18FR636 | Barbara Fritchie Tea Room | 19 | Frederick | Historic | Late 18th- to 19th-century urban standing brick house |
| 18FR731 | 5-1 | 1 | Frederick | Historic | Late 18th- to early 19th-century possible tenant house site |
| 18FR735 | Reed-Stitely House | 3 | Frederick | Historic | Mid-19th- to early 20th-century worker's housing/log structure |
| 18FR750 | Monocacy Blvd Bridge | 9 | Frederick | Prehistoric | Early & Late Woodland short-term resource procurement/possible base camp |
| 18FR788 | PORMARC | 80 | Frederick | Historic/Prehistoric | Late 19th- to 20th-century residential town lots, church & cemetery; Middle Archaic & Early Woodland lithic scatter |
| 18FR808 | Cannon Bluff | 1 | Frederick | Historic/Prehistoric | Late 18th- to mid-19th-century artifact scatter; Late 19th-to 20th-century farmstead; prehistoric
lithic scatter |
| 18FR853 | Burhans | 8 | Frederick | Historic/Prehistoric | Prehistoric lithic scatter; mid-19th-century frame house and lot |
| 18FR984 | Glenda's Yard | 5 | Frederick | Historic | Mid- to late 19th- and early to mid-20th-century farmstead |
| 18FR989 | Brengle Site | 6 | Frederick | Historic | Late 19th-to early 20th-century dwelling, blacksmith shop, farm, and lime kiln |
| 18FR1101 | Visitation Academy | 19 | Frederick | Historic | Catholic school |
| 18FR1110 | Arnold Farm | 3 | Frederick | Historic/Prehistoric | Mid-18th c. standing stone residence and prehistoric lithic scatter |
| 18FR1112 | Crampton's Gap | 1 | Frederick | Historic | Battlefield during Civil War |
| 18GA23 | Friendsville Site | 172 | Garrett | Historic/Prehistoric | multi-component Archaic-Woodland site, Monongahela village, early 19th century component |
| 18GA303 | James Drane House | 7 | Garrett | Historic | Late 18th- to 20th-century English and German American homestead |
| 18HA30 | Old Baltimore | 24 | Harford | Historic/Prehistoric | Late 17th-early 28th c. townsite and cemetery, Late Archaic and Woodland short-term resource procurement |
| 18HA148 | Harford Furnace | 63 | Harford | Historic | 19th-century iron furnace complex |
| 18HA167 | Hickory | 4 | Harford | Historic/Prehistoric | Late Archaic base camp, late 18th- to early 19th-century artifact scatter |
| 18HA176 | Bishop | 4 | Harford | Historic/Prehistoric | 18th-to 19th-century farmstead, unknown prehistoric context |
| 18HA242 | Quiet Lodge | 7 | Harford | Historic/Prehistoric | Site of standing c. 1740 National Register house |
| 18HA249 | Archer | 1 | Harford | Historic/Prehistoric | Late Archaic-Early Woodland short-term resource procurement; late 18th- to early 20th-century
farmstead |
| 18HA253 | Gunpowder Meeting House | 1 | Harford | Historic | Standing c. 1840 Methodist meeting houes at Aberdeen Proving Ground |
| 18HO19 | Deep Run 6 | 4 | Howard | Historic/Prehistoric | Late Archaic & Late Woodland camp; 18th-century artifacts |
| 18HO33 | Lower Deep Run West | 1 | Howard | Prehistoric | Prehistoric lithic scatter |
| 18HO52 | Deep Run Quarry | 2 | Howard | Historic/Prehistoric | Early, Middle, & Late Archaic and Early & Late Woodland camp; 19th-century log house site |
| 18HO80 | Simpsonville Stone Ruins | 40 | Howard | Historic | 18th-, 19th- and 20th-century rural town or village |
| 18HO149 | Heritage Heights | 3 | Howard | Historic/Prehistoric | Early & Middle Archaic camp and late 19th- to early 20th-century house site |
| 18HO190 | Sorrell | 1 | Howard | Prehistoric | Late Archaic and Woodland short-term resource procurement camp |
| 18HO203 | Schultz Farm #1 | 1 | Howard | Historic/Prehistoric | Possible Paleoindian and Early Woodland quarry; 19th-century house |
| 18HO206 | Beehive | 2 | Howard | Prehistoric | Late Archaic short-term procurement camp and lithic quarry. |
| 18HO254 | Montjoy | 8 | Howard | Historic | Late 18th- to 19th-century occupation; 19th-century standing farmstead |
| 18HO261 | S. Ridgely Saw Mill | 8 | Howard | Historic/Prehistoric | Early 19th- to early 20th-century sawmill; prehistoric lithic scatter |
| 18HO266 | Haslup/Burns House | 22 | Howard | Historic/Prehistoric | Mid 19th- to mid-20th-century farmstead; prehistoric lithic scatter |
| 18HO284 | Haddinot Locus A-1 | 30 | Howard | Historic | Late 18th-early 20th c. residential site |
| 18HO298 | Lisbon Hotel | 14 | Howard | Historic | Hotel from first decade 19th century to present, includes standing hotel, ruins of Caleb Pancost home, and landscape features |
| 18HO299 | Poplar Springs | 9 | Howard | Historic | Early 19th to mid 20th century commercial and residential site |
| 18HO300 | Wilson Cabin | 1 | Howard | Historic | Domestic site that may have been part of an inn or tavern on National Road |
| 18HO301 | Robert's Inn | 9 | Howard | Historic | Early to mid-19th century standing stone hotel/tavern |
| 18KE292 | Buck Site | 2 | Kent | Historic | c. 1660-1700 trash pit |
| 18KE352 | Caulk's Field | 1 | Kent | Historic | War of 1812 battlefield |
| 18MO1 | Hughes Site | 65 | Montgomery | Prehistoric | Late Woodland village and burials; Late Archaic and Early & Middle Woodland smaller component |
| 18MO13 | Mason Island II | 22 | Montgomery | Prehistoric | Late Woodland village site in the Potomac Piedmont |
| 18MO274 | Newton Site | 1 | Montgomery | Prehistoric | Prehistoric base camp |
| 18MO304 | Ege-Layhill | 1 | Montgomery | Prehistoric | Early Archaic and Early Woodland short-term camp |
| 18MO314 | Brothers Content | 1 | Montgomery | Historic | Mid-19th- to 20th-century farmstead cemetery; possible African-American school. |
| 18MO324 | Magruder House | 12 | Montgomery | Historic | Late 18th-century plantation; main house still standing |
| 18MO379 | E.J. Chiswell Farm Complex Ruins | 6 | Montgomery | Historic | Late 18th- to 20th-century farmstead |
| 18MO383 | J.A Jones Farm Complex | 3 | Montgomery | Historic | Late 19th- to 20th-century farmstead |
| 18MO409 | Edwin Waters House | 1 | Montgomery | Historic | 19th-century farmstead |
| 18MO609 | Jackson Homestead/Fairland Branch | 13 | Montgomery | Historic/Prehistoric | Late 19th- to early 20th-century African-American homestead; Early to Late Archaic and Early and Late Woodland short-term camp |
| 18MO635 | Stoney Springs Site 2 | 5 | Montgomery | Historic | Late 19th- to 20th-century house site |
| 18MO639 | Stoney Springs Site 6 | 1 | Montgomery | Historic | 19th- to 20th-century farmstead |
| 18MO745 | Sibley Site | 5 | Montgomery | Historic | 19th c. house, destroyed in early 20th c. |
| 18MO748 | Colletan Site | 4 | Montgomery | Historic | Mid-19th to mid-20th century domestic site |
| 18MO778 | Gaither Howard Site | 9 | Montgomery | Historic | Late 18th c. Anglo-American and African American stone and frame house and farmstead ruins |
| 18PR9 | Billingsley Site | 9 | Prince Georges | Prehistoric | Early, Middle and Late Archaic, Middle and Late Woodland, base camps |
| 18PR33 | Warfield Site | 1 | Prince Georges | Prehistoric | Late Archaic and Early, Middle and Late Woodland short-term camp or base camp |
| 18PR94 | Indian Creek V/Indian V Site | 35 | Prince Georges | Prehistoric | Early and Late Archaic base camp |
| 18PR96 | Indian Queen Tavern | 39 | Prince Georges | Historic/Prehistoric | Late 18th- to early 19th-century tavern; 19th-century residence/funeral home/ cabinetmaker; Archaic & Late Woodland |
| 18PR131 | Broad Creek | 5 | Prince Georges | Prehistoric | Late Archaic and Early to Late Woodland base camps. |
| 18PR135 | Belair Mansion | 38 | Prince Georges | Historic/Prehistoric | 18th- to 20th-century plantation. |
| 18PR174 | Kettering Park | 1 | Prince Georges | Prehistoric | Late Archaic-Woodland base camp; short-term resource procurement |
| 18PR175 | Addison Plantation/Oxon Hill | 822 | Prince Georges | Historic | Late 17th- to 19th-century plantation |
| 18PR225 | Melwood Park | 50 | Prince Georges | Historic | 18th- to 19th-century plantation complex |
| 18PR290 | Bealle Hill Site | 1 | Prince Georges | Historic/Prehistoric | Early and Late Archaic and Early and Late Woodland short-term camp/quarry; 19th- to 20th-century farmstead ruin |
| 18PR317 | Obarr Site | 1 | Prince Georges | Prehistoric | Early and Late Woodland short-term hunting encampment |
| 18PR321 | PD #1 | 1 | Prince Georges | Historic/Prehistoric | Middle Archaic, Woodland base camp; 18th-to 19th-century artifact concentration |
| 18PR323 | PD #4 | 4 | Prince Georges | Prehistoric | Late Woodland base camp with shell midden |
| 18PR370 | ADDWAT V-2 | 1 | Prince Georges | Historic/Prehistoric | Middle Woodland, Late Woodland ceramic scatter; 19th-century artifact concentration |
| 18PR373 | ADDWAT V-5 | 1 | Prince Georges | Prehistoric | Late Woodland ceramic scatter |
| 18PR374 | AADWAT V-6 | 1 | Prince Georges | Historic/Prehistoric | Late Woodland ceramic scatter; possible 19th-century structure |
| 18PR376 | Lower Notley Hall | 13 | Prince Georges | Historic/Prehistoric | Late Woodland ceramic scatter; 18th- to 19th-century farmstead. |
| 18PR399 | KCI-90-1 | 1 | Prince Georges | Prehistoric | Late Archaic and Late Woodland short-term resource procurement |
| 18PR404 | Surratts Road #1 | 1 | Prince Georges | Prehistoric | Archaic and Late Woodland short-term resource procurement |
| 18PR416 | Pheasants Thicket | 3 | Prince Georges | Historic | 19th- to 20th-century farmstead |
| 18PR460 | Bevard-4 | 4 | Prince Georges | Prehistoric | Late Archaic, Early Woodland short-term camp |
| 18PR510 | Willow Grove | 21 | Prince Georges | Historic | Late 18th-to late 20th-century plantation site and cemetery |
| 18PR557 | Pentland Hills | 2 | Prince Georges | Historic | 18th- to 19th-century house site; early 19th-century farmstead ruin |
| 18PR579 | Beechwood | 3 | Prince Georges | Historic | 18th- to 20th-century farmstead; frame structure; artifact concentration |
| 18PR580 | Bowieville Mansion | 1 | Prince Georges | Historic | 18th- to 20th-century plantation/farmstead, structures, possible slave quarter, brick kiln |
| 18PR622 | Parker Berry 1 | 2 | Prince Georges | Prehistoric | Late Woodland to Contact period hamlet. Late Archaic short-term camp |
| 18PR628 | Site 2, Area A3 | 2 | Prince Georges | Prehistoric | Early to Late Archaic and Early to Late Woodland base camp or short-term camps |
| 18PR657 | Area G | 1 | Prince Georges | Prehistoric | Early & Late Archaic and Early, Middle, & Late Woodland lithic resource procurement & processing site |
| 18PR659 | Oak Creek A | 1 | Prince Georges | Historic | Mid-18th- to early 19th-century possible tenant house site |
| 18PR665 | Oak Creek G | 1 | Prince Georges | Historic | Early to mid-18th-century possible tenant house site |
| 18PR669 | Oak Creek K | 1 | Prince Georges | Historic | Late 18th- to 19th-century possible tenant house site |
| 18PR677 | Oak Creek S | 1 | Prince Georges | Historic/Prehistoric | Late Archaic short-term camp; mid-19th- to mid-20th-century house ruin |
| 18PR692 | Salubria | 20 | Prince Georges | Historic/Prehistoric | Late Woodland short-term camp; 19th-century plantation |
| 18PR703 | Garretts Chance 2 | 9 | Prince Georges | Historic/Prehistoric | Late Woodland lithic scatter; late 17th- to early 18th-century domestic site; possible tenant house |
| 18PR705 | Pleasant Prospect | 43 | Prince Georges | Historic | Mid-18th- to early 19th-century domestic site |
| 18PR707 | Fairview | 10 | Prince Georges | Historic | Late 18th- to early 20th-century plantation/farmstead |
| 18PR754 | Rose Mount | 6 | Prince Georges | Historic | Late 18th- to mid-20th-century brick farmstead ruin; home of 21st Governor of Maryland; possible burial site |
| 18PR833 | AOS1/Francis Marbury | 29 | Prince Georges | Historic | 18th-century structural foundations associated with a plantation house, kitchen and outbuildings. |
| 18PR934 | Ryon Site | 7 | Prince Georges | Historic/Prehistoric | 19th-20th century standing farmstead, 18th c. house site, Middle Archaic-Middle Woodland camps |
| 18PR950 | Colt's Neck | 4 | Prince Georges | Historic | Late 19th- to mid-20th-century residence |
| 18PR955 | Enclave at Beechfield A (Richard J. Duckett Site) | 34 | Prince Georges | Historic | Late 18th to early 19th c. plantation yard associated with Richard Jacob Dockett (owned property 1754-1798) and his descendants until 1900 |
| 18PR982 | Magruder House | 12 | Prince Georges | Historic/Prehistoric | Mid-18th- to 20th-century stone town dwelling; Early Archaic & Early Woodland short-term camps |
| 18PR983 | Market Master House | 21 | Prince Georges | Historic/Prehistoric | Mid-18th- to 20th-century stone dwelling and/or commercial establishment; Late Archaic & Woodland short-term camps |
| 18PR1043 | Bladensburg Library | 2 | Prince Georges | Historic/Prehistoric | Late Archaic/Transitional short-term camp; early 19th- to early 20th-century schoolhouse |
| 18PR1079 | TRC MQ-8 | 3 | Prince Georges | Prehistoric | High density artifact concentration |
| 18PR1081 | TRC MQ-10 | 2 | Prince Georges | Prehistoric | |
| 18PR1184 | BARC BEP Site 1 | 2 | Prince Georges | Historic/Prehistoric | |
| 18QU28 | Bennett's Point | 9 | Queen Annes | Historic/Prehistoric | Archaic - Woodland lithics, Late 17th- to mid-18th-century plantation house |
| 18QU124 | Queenstown Courthouse | 13 | Queen Annes | Historic | Early 18th- to 20th-century site of former courthouse for Queenstown |
| 18QU240 | Great Neck Road | 1 | Queen Annes | Historic | Late 18th- to 19th-century tenant house site |
| 18QU987 | Church Hill Hunt | 5 | Queen Annes | Historic/Prehistoric | Remains of late 18th - to 19th-century farmstead and prehistoric lithic scatter |
| 18QU990 | Church Hill Streetscape | 11 | Queen Annes | Historic | 18th-, 19th- & 20th-century commercial & residential district; streetscape |
| 18SO147 | Loretto Branch | 3 | Somerset | Historic/Prehistoric | Late Archaic and Middle Woodland lithic scatter; early to late 19th-century tenant/slave house |
| 18ST53 | Abells Wharf | 39 | St Marys | Historic/Prehistoric | Early-Late Archaic short-term camp; Early-Late Woodland shell midden; late 17th- to mid-
18th-century farmstead |
| 18ST54 | Sotterly Plantation | 8 | St Marys | Historic | Early 18th-century plantation, mid-19th-century slave quarter |
| 18ST61 | Point Lookout | 41 | St Marys | Historic | Mid-19th-century Civil War hospital; ca. 1830 standing lighthouse |
| 18ST75 | Upper Notley | 2 | St Marys | Historic | Early 18th-century house site; mid- to late 18th-century standing structure and trash pit |
| 18ST87 | St. Inigoes Manor | 33 | St Marys | Historic | Mid-18th century Jesuit manor house; early 19th century weaver's house, late 19th century house; mid to late Woodland camp |
| 18ST88 | Woodlawn | 5 | St Marys | Historic | Early 19th-century house and exterior kitchen |
| 18ST272 | M-17 (22) Area 4 | 14 | St Marys | Historic/Prehistoric | Late Archaic to Middle Woodland short-term camp, late 17th- and 18th-century refuse midden |
| 18ST330 | St. Inigoes Manor House at Old Chapel Field | 4 | St Marys | Historic/Prehistoric | Location of second St. Inigoes Priest House and chapel, c. 1705-1755. |
| 18ST334 | Puma Site | 3 | St Marys | Historic/Prehistoric | |
| 18ST372 | Long Site | 2 | St Marys | Historic/Prehistoric | Multi-component site--Woodland short-term resource procurement and 19th and 20th century field dumping |
| 18ST386 | Antenna Field (aka Fort Point) | 4 | St Marys | Historic/Prehistoric | Late Archaic and Middle Woodland short term camp, late 17th to early 18th century house site |
| 18ST390 | Mattapany-Sewell | 15 | St Marys | Historic/Prehistoric | Early Archaic and Early and Late Woodland short-term camps, mid to late 17th c. manor house and armory |
| 18ST400 | Charlotte Hall Academy | 2 | St Marys | Historic | Late 18th- to 20th-century military academy |
| 18ST569 | Myrtle Point | 12 | St Marys | Prehistoric | Early & Late Archaic and Early, Middle, and Late Woodland short-term resource procurement
camps or base camps |
| 18ST570 | Thomas Point | 6 | St Marys | Prehistoric | Late Archaic and Middle-Late woodland shell midden |
| 18ST625 | Steam Ship Columbus | 1 | St Marys | Historic | 1850 wreck of an 1828 cross head steam ship |
| 18ST634 | Aud Site | 9 | St Marys | Prehistoric | Early Archaic through LateWoodland short-term resource procurement camps |
| 18ST668 | G-1 | 1 | St Marys | Historic | 18th-century house site |
| 18ST670 | L-1 | 2 | St Marys | Historic/Prehistoric | Late Archaic-Late Woodland short-term camps; late 17th to -mid-18th-century house site and mid-19th- to mid 20th-century scatter |
| 18ST673 | P-1 | 2 | St Marys | Historic/Prehistoric | Middle Archaic short-term resource procurement, late 18th- to mid-19th-century artifact scatter/possible dump |
| 18ST676 | AA-1 | 4 | St Marys | Historic/Prehistoric | Middle Woodland base camp or hamlet, late 18th- to mid-19th-century artifact concentration |
| 18ST677 | AA-2 | 5 | St Marys | Historic/Prehistoric | Late Archaic and Late Woodland short-term camp, late 17th-century farmstead |
| 18ST704 | Charles' Gift | 126 | St Marys | Historic | Historic site containing 17th century (c. 1675-1695) plantation remains of Nicholas Sewall's Charles' Gift, as well as 18th and 19th century components of same plantation |
| 18ST707 | Anketill's Neck | 8 | St Marys | Historic/Prehistoric | 17th-century plantation site, possibly of former indentured servant turned planter Francis Anketill |
| 18ST865 | Locus 6-1 | 1 | St Marys | Historic | 19th to early 20th century domestic site |
| 18TA237 | Poplar Island North | 3 | Talbot | Historic | Late 17th- to 19th-century possible structure; artifact concentration within layers of redeposited beach sand. |
| 18TA355 | Pleasant Valley Farm | 20 | Talbot | Historic/Prehistoric | Mid 17th- to early 18th- and early 18th- to late 18th-century house sites; standing late 18th-century farmstead; Early Archaic camp |
| 18WA20 | Fort Frederick | 140 | Washington | Historic/Prehistoric | 18th- to 19th-century stone fortification; prehistoric short-term camp |
| 18WA288 | Antietam Furnace Complex | 11 | Washington | Historic | 18th-century iron furnace complex, ruins |
| 18WA454 | Reiff | 5 | Washington | Historic | 19th-century possible structure; artifact concentration |
| 18WA467 | Ridenour Site | 7 | Washington | Historic | Late 18th - to 20th-century farm complex |
| 18WA487 | Mt. Aetna Site | 6 | Washington | Historic/Prehistoric | Early & Late Archaic & Early, Middle, & Late Woodland rhyolite processing; 19th- to 20th-century crossroads |
| 18WA496 | Brumbaugh-Kendle-Grove Farmstead | 42 | Washington | Historic | 19th-20th c. farmstead ruin |
| 18WA507 | Fox's Gap | 1 | Washington | Historic | Civil War battlefield, part of South Mountain Battlefield, September 14, 1862 |
| 18WA631 | 417 Jonathan Street Cabin | 6 | Washington | Historic | Standing early 19th c. cabin in Hagerstown |
| 18WC15 | Reeves | 53 | Wicomico | Prehistoric | Late Archaic, and Early, Middle and Late Woodland village |
| 18WO23 | Nassawango Creek | 21 | Worcester | Prehistoric | Paleoindian & Early, Middle, & Late Archaic & Late Woodland camp;Early Woodland Adena
site |
| 18WO165 | Woodcock Farm Shell Midden | 2 | Worcester | Prehistoric | Late Archaic and Middle to Late Woodland period shell midden. |