# Archeological/Paleontological Studies (PSC B503) Canonical: https://abierto.us/psc/b503 Federal contract opportunities under product and service code B503. 63 opportunities in the window, 1 open now. ## Open now (1) - The purpose of this solicitation is to provide sur (140L1226Q0043), Bureau of Land Management, due September 16, 2026 at 8:00 PM EDT. https://abierto.us/opportunities/140l1226q0043 ## Recent (62 in all) - September 11, 2026: Shavers Project (12444726Q0079), special notice. https://abierto.us/opportunities/12444726q0079 - September 11, 2026: Williams River Project (12444726Q0082), special notice. https://abierto.us/opportunities/12444726q0082 - September 11, 2026: Anthony Creek Project (12444726Q0083), special notice. https://abierto.us/opportunities/12444726q0083 - September 11, 2026: Digital Scanning Services for Vicksburg District (W912P926Q0559), award notice, awarded to NEW SOUTH ASSOCIATES, Inc. 6150 E PONCE DE LEON AVE Stone Mountain. https://abierto.us/opportunities/w912p926q0559 - September 10, 2026: AZ ES ARCHAEOLOGICAL SERVICES (140FS226F0142), award notice, awarded to Harris Environmental Group Inc.. https://abierto.us/opportunities/140fs226f0142 - September 10, 2026: LMIR - CRVFO GRAZING ALLOTMENT NHP ACT SURVEY (140L1726Q0049), award notice, awarded to Pinyon Environmental, Inc.. https://abierto.us/opportunities/140l1726q0049 - September 9, 2026: BLM-CO SLVFO INDIGENOUS CERAMICS STUDY (140L1726F0036), award notice, awarded to Ero Resources Corporation. https://abierto.us/opportunities/140l1726f0036 - September 8, 2026: ARCHAEOLOGICAL SURVEYS FOR SOUTHERN PLAINS REGION (140A0326Q0009), award notice, awarded to DDC 4C, LLC. https://abierto.us/opportunities/140a0326q0009 - September 3, 2026: BPA Call Order Exceeding $20,000 Synopsis Requisition # 1172834 (12443926Q0231), special notice. https://abierto.us/opportunities/12443926q0231 - September 3, 2026: CULTURAL RESOURCE SURVEY FOR YORKINUT SLOUGH DIVISION, TWO RIVERS NATIONAL WILDLIFE REFUGE, CALHOUN COUNTY, ILLINOIS (W912P926Q0861), award notice, awarded to ERG-Terracon JV2, L.L.C. 6049 FALLS RD Baltimore. https://abierto.us/opportunities/w912p926q0861 - September 2, 2026: AK-DIV OF VSFM-MUSEUM PROPERTY R7 (140FS126P0202), award notice, awarded to Museum of the Aleutians Association. https://abierto.us/opportunities/140fs126p0202 - September 2, 2026: CULTURAL RESOURCES GIS LAND MANAGEMENT INTERFACE GUIDE FOR FORT CARSON AND PINON CANYON, COLORADO (W912P926Q0064), award notice, awarded to Stell Environmental Enterprises Inc. 2928 269TH Ave NE Redmond 98053 USA. https://abierto.us/opportunities/w912p926q0064 - August 31, 2026: AMENDMENT 0002 DEADLINE UPDATE, RFP, N6247324R3204,N6247326RG006 CHINA LAKE PILOT PLANT HISTORIC DISTRICT AND HANGAR 1 HISTORIC AMERICAN BUILDING SURVEY DOCUMENTATION AT NAVAL AIR WEAPONS STATION CHINA LAKE, RIDGECREST, CALIFORNIA (N6247326RG006), solicitation. https://abierto.us/opportunities/n6247326rg006 - August 27, 2026: Wayne National Forest, Phase 1 Heritage/Archeology Surveys (12444726Q0075), combined synopsis and solicitation. https://abierto.us/opportunities/12444726q0075 - August 27, 2026: Archaeological Curation Services (FY26/27), Southwestern Division (W912P926FA182), award notice, awarded to Stell Environmental Enterprises Inc. 2928 269TH Ave NE Redmond 98053 USA. https://abierto.us/opportunities/w912p926fa182 - August 27, 2026: F.E. WARREN AIR FORCE BASE MANDATORY CENTER OF EXPERTISE FOR THE CURATION AND MANAGEMENT OF ARCHAEOLOGICAL COLLECTIONS (MCX CMAC) (W912P926Q1003), solicitation. https://abierto.us/opportunities/w912p926q1003 - August 26, 2026: Notice of Intent to Award BPA Call Orders Against The Land Management Integrated Resources (LMIR) (12444726Q0073), special notice. https://abierto.us/opportunities/12444726q0073 - August 26, 2026: ACQ-PRINEVILLE BATTLE CREEK CULTURAL RES (140L3726Q0136), award notice, awarded to Pinyon-Sundance Jv, LLC. https://abierto.us/opportunities/140l3726q0136 - August 26, 2026: Notice of Intent to Sole Source (F3G3CA6238A001), presolicitation. https://abierto.us/opportunities/f3g3ca6238a001 - August 25, 2026: NCMD SECTION 110 CULTURAL INVENTORIES (140L3626Q0041), award notice, awarded to Western Cultural Inc.. https://abierto.us/opportunities/140l3626q0041 - August 25, 2026: Notice of Intent to Sole Source (F3G3CA6169A002), presolicitation. https://abierto.us/opportunities/f3g3ca6169a002 - August 20, 2026: CULTURAL RESOURCE UNDERWATER SURVEYS IN LAKE SUPERIOR FOR THE U.S. ARMY CORPS OF ENGINEERS, ST. LOUIS DISTRICT (MVS) (W912P926Q0955), solicitation. https://abierto.us/opportunities/w912p926q0955 - August 20, 2026: Alpena Historic Structures (W912PP26PA019), award notice, awarded to Brockington and Associates, Inc. Atlanta. https://abierto.us/opportunities/w912pp26pa019 - August 19, 2026: NGWSP SHIPROCK AND REACH 2-3 MONITORING (RFQ1813954), award notice, awarded to Statistical Research Inc.. https://abierto.us/opportunities/rfq1813954 - August 19, 2026: Rock Imagery Conservation Services (W912DW-26-R-A050), combined synopsis and solicitation. https://abierto.us/opportunities/w912dw26ra050 - August 19, 2026: ARCHAEOLOGICAL NAGPRA COLLECTIONS SERVICES FOR THE U.S. ARMY ENGINEER DISTRICT LOUISVILLE, KENTUCKY TASK ORDER (W912P926FA171), award notice, awarded to ERG-Terracon JV2, L.L.C. 6049 FALLS RD Baltimore. https://abierto.us/opportunities/w912p926fa171 - August 18, 2026: FY27 CRVFO NHPA SURVEY BLM-CO (140L3726Q0168), solicitation. https://abierto.us/opportunities/140l3726q0168 - August 18, 2026: Beaver Rim Paleontological Survey (44048681), award notice, awarded to Dockit Consulting, LLC. https://abierto.us/opportunities/44048681 - August 17, 2026: OR-CULTURAL RESOURCES-CULTURAL RESOURCES (140FS126Q0070), award notice, awarded to Civil & Environmental Consultants Inc.. https://abierto.us/opportunities/140fs126q0070 - August 7, 2026: Plateau Regional Archaeological Curation Services Contract USACE U.S. Army Corps of Engineers, Northwestern Division W912P9 (W912P926QA003), combined synopsis and solicitation. https://abierto.us/opportunities/w912p926qa003 - August 6, 2026: BPA Call Order Exceeding $20,000 Synopsis Requisition 1172451 (12443926Q0193), special notice, awarded to North Wind Resource Consulting LLC. https://abierto.us/opportunities/12443926q0193 - July 31, 2026: BPA Call Order Exceeding $20,000 Synopsis Requisition 1170993 (12443926Q0192), special notice, awarded to North Wind Resource Consulting LLC. https://abierto.us/opportunities/12443926q0192 - July 31, 2026: EKD ES&R CULTURAL SURVEY (RFQ1821480), award notice, awarded to Gray & Pape Inc.. https://abierto.us/opportunities/rfq1821480 - July 30, 2026: Notice of Intent to Sole Source (DOIFFBO260153), special notice. https://abierto.us/opportunities/doiffbo260153 - July 30, 2026: REQUEST FOR PROPOSAL (RFP), N62473-24-R-3204_ N62473-26-R-G-0004 PHOTOGRAMMETRY DOCUMENTATION OF SALT CAVES NAVAL AIR STATION FALLON (NASF), FALLON, NEVADA (N6247326RG004), solicitation. https://abierto.us/opportunities/n6247326rg004 - July 29, 2026: Little Wannagan Juniper Reduction Archeological Survey (1284LM26Q0102), combined synopsis and solicitation, awarded to Project Solutions, Inc.. https://abierto.us/opportunities/1284lm26q0102 - July 28, 2026: Cultural Resource Surveys on the Monongahela National Forest. (12444726Q0051), combined synopsis and solicitation. https://abierto.us/opportunities/12444726q0051 - July 24, 2026: TWIN CREEK ROCK ART INVENTORY SURVEY (140L6226Q0018), solicitation. https://abierto.us/opportunities/140l6226q0018 - July 22, 2026: North Kaibab Heritage Survey Kaibab National Forest (1175096), special notice. https://abierto.us/opportunities/1175096 - July 22, 2026: BLM CO LEE FIRE FENCING CRI (140L3726Q0116), combined synopsis and solicitation, awarded to Stell Environmental Enterprises Inc.. https://abierto.us/opportunities/140l3726q0116 - July 22, 2026: Paleoenvironmental Analysis of Arch Collections (W912P926Q9579), solicitation. https://abierto.us/opportunities/w912p926q9579 - July 21, 2026: SCRATCHGRAVEL HILLS CRI (140L3626Q0031), award notice, awarded to Patrick Kuntz. https://abierto.us/opportunities/140l3626q0031 - July 14, 2026: Mt. Baker-Snoqualmie National Forest (1166068), special notice. https://abierto.us/opportunities/1166068 - July 14, 2026: ROCKY RIDGE CULTURAL RESOURCES INVENTORY (140L6226Q0016), solicitation, awarded to Barron LLC. https://abierto.us/opportunities/140l6226q0016 - July 14, 2026: HEART MTN. CLASS III CULTURAL SURVEY (140R6026Q0097), award notice, awarded to Patricia L Eggleston. https://abierto.us/opportunities/140r6026q0097 - July 14, 2026: NATIONAL MUSEUM OF THE AMERCIAN SAILOR (NMAS) (W912P926Q0810), solicitation. https://abierto.us/opportunities/w912p926q0810 - July 13, 2026: BPA Call Order Exceeding $20,000 Synopsis Requisition 1174160 (12443926Q0167), special notice, awarded to R. Christopher Goodwin & Associates, Inc.. https://abierto.us/opportunities/12443926q0167 - July 10, 2026: Notice of Intent to Award a BPA Call Order (12445026Q0051), special notice, awarded to Dockit Consulting, LLC. https://abierto.us/opportunities/12445026q0051 - July 10, 2026: Kiowa Grasslands Heritage Survey Cibola National Forest (127EAV26Q0069), special notice, awarded to Statistical Research Inc.. https://abierto.us/opportunities/127eav26q0069 - July 9, 2026: BPA Call Order Exceeding $20,000 Synopsis Requisition 1174715 (1174715), special notice. https://abierto.us/opportunities/1174715 - July 9, 2026: BPA Call Order Exceeding $20,000 Synopsis Requisition 1173862 (12443926Q0163), special notice, awarded to R. Christopher Goodwin & Associates, Inc.. https://abierto.us/opportunities/12443926q0163 - July 9, 2026: BPA Call Order Exceeding $20,000 Synopsis Requisition 1173862 (12443926Q0164), special notice, awarded to R. Christopher Goodwin & Associates, Inc.. https://abierto.us/opportunities/12443926q0164 - July 9, 2026: BPA Call Order Exceeding $20,000 Synopsis Requisition 1174721 (12443926Q0165), special notice, awarded to North Wind Resource Consulting LLC. https://abierto.us/opportunities/12443926q0165 - July 7, 2026: LCAI ROUND 15 (140L3926Q0030), solicitation. https://abierto.us/opportunities/140l3926q0030 - July 2, 2026: COMPLETE S110 SURVEY/REPORT FOR YUHO (140PS126F0042), award notice, awarded to Woods Canyon Archaeological Consultants, Inc.. https://abierto.us/opportunities/140ps126f0042 - June 30, 2026: Central Regional Archaeological Curation Services Contract for the U.S. Army Corps of Engineers, North Atlantic Division (W912P926QA010), combined synopsis and solicitation. https://abierto.us/opportunities/w912p926qa010 - June 29, 2026: Tusayan and Williams Ranger Districts Heritage Survey Kaibab National Forest (127EAV26Q0063), special notice, awarded to Cornerstone Environmental Consulting LLC. https://abierto.us/opportunities/127eav26q0063 - June 26, 2026: SOLE SOURCE ACTION to Cow Creek Band of Umpqua Tribe of Indians (RA38NM1EBH58) for Archaeological Mitigation Services (69056726P000022), award notice, awarded to Cow Creek Band of Umpqua Tribe of Indians. https://abierto.us/opportunities/69056726p000022 - June 25, 2026: Memaloose Island Cultural Resource Monthly Monitoring (W9127N26QA109), presolicitation. https://abierto.us/opportunities/w9127n26qa109 - June 25, 2026: National Register of Historic Places Determination of Eligibility for Lower Deschutes River Area (W9127N26QA110), presolicitation. https://abierto.us/opportunities/w9127n26qa110 - June 25, 2026: ArcGIS StoryMap Development for Nez Perce Cultural Sites (W9127N26QA111), presolicitation. https://abierto.us/opportunities/w9127n26qa111 - June 25, 2026: Confederated Tribes of Warm Springs Technical Services (W9127N26QA113), presolicitation. https://abierto.us/opportunities/w9127n26qa113 --- Sources: SAM.gov Contract Opportunities extract and USAspending.gov award data. Cite https://abierto.us/psc/b503.