The Bureau of Land Management is conducting market research for a potential single-award IDIQ contract to perform a gradient boundary survey along the Red River between Texas and Oklahoma. The estimated contract ceiling is $25,000,000, with an estimated ordering period of 5 years. The work would involve surveying and locating portions of the interstate boundary in accordance with a Supreme Court decision. This is a sources sought notice for market research only and is not a solicitation. The Government is interested in firms' capability to perform this specific type of boundary survey, including access to a Certified Federal Surveyor with specific state licenses.