The U.S. Geological Survey is seeking a qualified business for expert-level PINGMapper and Python programming services to modify source code for studies on reservoir sediments and ecological habitats in the Klamath River, California. This is a Request for Information for market research only, not a solicitation for bids or proposals. The applicable NAICS code is 541511 with a $34 million size standard. Responses must be submitted electronically by May 26, 2026, at 0900 Eastern Time. Performance of services is specified for the Klamath River, California.