The National Park Service is seeking quotes for mapping subsurface utilities and irrigation lines at Gateway Arch National Park, covering approximately 45 acres, to produce a non-survey grade map. This procurement is a total small business set-aside under NAICS 561990, with a firm-fixed-price contract anticipated. Performance must occur within 60 days of award, and this period is negotiable. The work will be performed at Gateway Arch National Park in St. Louis, Missouri. Interested parties must be registered and active in SAM and submit quotes via email to the contracting officer.