Intent to Award The U.S. Geological Survey (USGS) has a requirement for a sole source Purchase Order with Earthscope Consortium, Inc. Continuous GNSS Data Archiving. The period of performance of the resulting award will be, August 1, 2026 through June 30, 2031, and will include four 12-month option years. The U.S. Geological Survey (USGS), Virginia-West Virginia Water Science Center (VA-WV WSC), requires specialized services for the long-term archiving, curation, and dissemination of continuous Global Navigation Satellite System (GNSS) data generated by USGS-supported stations. The requirement includes routine annual archiving services for active stations and a one-time ingestion of historical data for a legacy station. Therefore, it intends to make a direct award to Earthscope Consortium, Inc. under the authority of FAR 13.106-1(b)(1) ¿ only one source reasonably available pursuant to the procedures under FAR 13.5 used in accordance with 41 U.S.C.1901 or the authority of 41 U.S.C.1903. This is not a request for competitive quotations or proposals but rather an intent to sole source notification. Questions or concerns may be addressed to the Contract Specialist, Jonathan Wyatt jenglehart@usgs.gov no later than 10:00 AM ET, Monday, June 29, 2026. The U.S. Geological Survey (USGS) considers employee signatures to be Personal Protected Information, and therefore all employee signatures have been redacted. By posting this document, the Contracting Officer attests all appropriate signatures have been obtained. SOLE SOURCE JUSTIFICATION FOR ACQUISITION PURSUANT TO THE PROCEDURES OF FAR SUB-PART 13.5 -- SIMPLIFIED PROCEDURES FOR CERTAIN COMMERCIAL ITEMS 1. Contracting Agency and Activity. The Department of the Interior, United States Geological Survey, Virginia-West Virginia Water Science Center (VA-WV WSC) 2. Nature of Action Being Approved. Sole¿source procurement to EarthScope Consortium, Inc. for recurring global navigation satellite system (GNSS) data archiving and access services. The action will be a services purchase under FAR Part 13 with a base period of 12 months and option years for a total period of performance of up to five years. 3. Description of Supplies or Services. Continuous GNSS data ingestion, long term archiving, management, and web based dissemination for data generated by USGS supported monitoring stations. 4. Statutory Authority. The proposed action may be awarded on a sole source basis under the authority of FAR 13.106-1(b)(1) ¿ only one source reasonably available. 5. Rationale Supporting Use of Citation in No. 4. The EarthScope Consortium is uniquely qualified to provide the required GNSS data archiving and access services for the following reasons: 1) EarthScope operates the national GAGE geophysical data facilities, which are the primary U.S. community repositories for continuous GNSS data used by the USGS, other federal agencies, universities, and international partners. 2) EarthScope¿s GNSS archive has been evaluated and…