| Site Number | Site Name | References |
| 18PR4 | Farmington Landing | PR-Piscatway Park.pdf |
| 18PR5 | Burton | PR-Piscatway Park.pdf |
| 18PR6 | Mt. Calvert | PR-Mt Calvert.pdf |
| 18PR7 | Piscataway | PR-WSSC Sewage Treatment Plant.pdf |
| 18PR8 | Accokeek Creek | PR-Piscatway Park.pdf |
| 18PR14 | High Point | PR-Powder Mill and I-95.pdf |
| 18PR15 | Cow Pasture | PR-UMD Campus North.pdf |
| 18PR33 | Warfield | PR-MD Route 3.pdf |
| 18PR39 | Little Paint Branch | PR-Beltsville Community Center.pdf |
| 18PR40 | Clagett | PR-Piscatway Park.pdf |
| 18PR42 | Ferguson Ossuary | PR-Piscatway Park.pdf |
| 18PR45 | Briggs Chaney | PR-Cross Creek.pdf |
| 18PR52 | Parking Lot | PR-UMD Campus North.pdf |
| 18PR79 | South Church Road | PR-Oak Creek Club.pdf |
| 18PR81 | University Park | PR-University Park.pdf |
| 18PR94 | Indian Creek V | PR-WMATA at USDA.pdf |
| 18PR96 | George Washington Inn | PR-Indian Queen Tavern.pdf |
| 18PR97 | Croom | CVPR-Patuxent Drainage Study.pdf |
| 18PR119 | Lottsford Road III | PR-Sherwood II.pdf |
| 18PR11A | ADDWAT I-1 | PR-National Harbor.pdf |
| 18PR126 | Kenilworth | PR-WSSC Pumping Stn.pdf |
| 18PR131 | Broad Creek | PR-Tent Landing.pdf |
| 18PR135 | Belair Mansion | PR-Belair Mansion Projects.pdf |
| 18PR141 | Site 1, Stream A | PR-WSSC Sewer Extension.pdf |
| 18PR142 | Site 1, Stream B | PR-WSSC Sewer Extension.pdf |
| 18PR143 | Site 2 complex, Stream B | PR-WSSC Sewer Extension.pdf |
| 18PR164 | Slingluff House | PR-Melford Property.pdf |
| 18PR166 | by M & M Tavern | PR-WSSC Sewer Extension.pdf |
| 18PR168 | Folly Branch | ANPR-US Route 50 Widening.pdf |
| 18PR172 | Accokeek Contract WSSC | PR-WSSC and MD 210.pdf |
| 18PR174 | Kettering Park | PR-MD 214 Dualization.pdf |
| 18PR175 | Addison House | PR-Oxon Hill.pdf |
| 18PR176 | Addison Cemetery | PR-Oxon Hill.pdf |
| 18PR177 | Addison Mausoleum | PR-Oxon Hill.pdf |
| 18PR218 | Gardner & Curry IV | PR-Manning Overlook.pdf |
| 18PR221 | Mt. Airy Mansion | PR-Mt. Airy.pdf |
| 18PR224 | Buck House, Wardrop-Buck House | PR-Buck House.pdf |
| 18PR225 | Melwood Park | PR-Melwood Park.pdf |
| 18PR226 | Turtle Shell Wreck | PR-Turtle_Shell.pdf |
| 18PR228 | 817-819 Main Street | PR-Laurel Factory House.pdf |
| 18PR240 | Potter Site P | PR-Piscatway Park.pdf |
| 18PR241 | Potter Site O | PR-Piscatway Park.pdf |
| 18PR259 | MacAlpine | PR-Calvert_Tract.pdf |
| 18PR264 | Laser | PR-Calvert Rd.pdf |
| 18PR290 | Bealle Hill | PR-Belle Oak Estates.pdf |
| 18PR301 | Shagogue | PR-UMD Campus North.pdf |
| 18PR305 | Harmony Hall | PR-Harmony Hall.pdf |
| 18PR312 | Crane Pen | PR-PWRC Crane Pens.pdf |
| 18PR317 | O'Barr | PR-Jericho Park Rd.pdf |
| 18PR319 | Ford | PR-Tent Landing.pdf |
| 18PR321 | PD #1 | PR-Milltown Landing NRMA.pdf |
| 18PR323 | PD #4 | PR-Milltown Landing NRMA.pdf |
| 18PR353 | Fort Washington | PR-Fort Washington.pdf |
| 18PR355 | National Archives | PR-Archives II.pdf |
| 18PR370 | ADDWAT V-2 | PR-National Harbor.pdf |
| 18PR373 | ADDWAT V-5 | PR-National Harbor.pdf |
| 18PR374 | ADDWAT V-6 | PR-National Harbor.pdf |
| 18PR376 | Lower Notley Hall | PR-National Harbor.pdf |
| 18PR377 | Barnes Farmstead | PR-Barnes.pdf |
| 18PR379 | Simpson Site A | PR-Lakeview Development.pdf |
| 18PR380 | UNNAMED | PR-Archives II.pdf |
| 18PR387 | Arshad Mughal | PR-UMD Admin Services Building.pdf |
| 18PR390 | Riversdale | PR-Riversdale.pdf |
| 18PR393 | Montpelier | PR-Montpelier.pdf |
| 18PR399 | KCI-90-1 | PR-I 95 at Ritchie-Marlboro Rd.pdf |
| 18PR401 | KCI-90-3 | PR-I 95 at Ritchie-Marlboro Rd.pdf |
| 18PR404 | Surratts Road #1 | PR-Surratts Rd Training Facility.pdf |
| 18PR410 | Abraham Hall | PR-Abraham Hall.pdf |
| 18PR411 | Southern Maryland Courthouse | PR-Southern MD Courthouse.pdf |
| 18PR412 | UNNAMED | PR-Collington Corporate Cntr..pdf |
| 18PR416 | Pheasant's Thicket | PR-Brandywine Village.pdf |
| 18PR424 | Area E (Site 1) | PR-WMATA at USDA.pdf |
| 18PR425 | Area E (Site 2) | PR-WMATA at USDA.pdf |
| 18PR427 | Head Aick | PR-Smithsonian Collections Ctr..pdf |
| 18PR429 | Scotchtown Site, 1 | PR-Scotchtown Hills Elementary.pdf |
| 18PR435 | Sherwood II - Area A | PR-Sherwood II.pdf |
| 18PR438 | 500 Area Ridge Top | MOPR-Adelphi Lab Cntr..pdf |
| 18PR443 | Across Street from Bldg. 3409 | ANPR-Andrews AFB.pdf |
| 18PR444 | Bldg. 3427, Front Yard | ANPR-Andrews AFB.pdf |
| 18PR445 | Bldg. 3716 | ANPR-Andrews AFB.pdf |
| 18PR446 | Bldg. 4261 | ANPR-Andrews AFB.pdf |
| 18PR447 | Belle Chance | ANPR-Andrews AFB.pdf |
| 18PR448 | Belle Chance Outlying Structur | ANPR-Andrews AFB.pdf |
| 18PR450 | Site A | PR-MD 202.pdf |
| 18PR460 | Bevard - 4 | PR-Bevard Wetland.pdf |
| 18PR463 | Naylor Road | PR-Green Line.pdf |
| 18PR464 | Nash | PR-Nash Access Road.pdf |
| 18PR465 | White Oak | PR-US Army Adelphi Lab.pdf |
| 18PR466 | Shadrack Beall Farmstead | PR-US Army Adelphi Lab.pdf |
| 18PR470 | Area B-1,Site D | PR-Preserve at Piscataway Historic.pdf |
| 18PR476 | Area D-1,Site AB | PR-Preserve at Piscataway Historic.pdf |
| 18PR478 | Area D-1,Site E | PR-Preserve at Piscataway Historic.pdf |
| 18PR482 | Area E-3,Site A | PR-Preserve at Piscataway Historic.pdf |
| 18PR483 | Area F-6,Site A | PR-Preserve at Piscataway Prehistoric.pdf |
| 18PR485 | Area F-1,Site A | PR-Preserve at Piscataway Prehistoric.pdf |
| 18PR487 | Area F-1,Site C | PR-Preserve at Piscataway Prehistoric.pdf |
| 18PR489 | Area F-7,Site A | PR-Preserve at Piscataway Prehistoric.pdf |
| 18PR490 | Area F-7,Site B | PR-Preserve at Piscataway Prehistoric.pdf |
| 18PR496 | Area P-2B,Site A | PR-Preserve at Piscataway Historic.pdf |
| 18PR498 | Area P-2D,Site A | PR-Preserve at Piscataway Historic.pdf |
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