The Bureau of Reclamation is conducting market research to identify qualified small businesses for furnishing, hauling, and stockpiling riprap at designated Middle Rio Grande locations to support river maintenance and emergency protection. This is a sources sought notice for planning purposes only, not a solicitation. Full details, including technical specifications and stockpile site information, are provided in the attached Statement of Work. No budget amount is specified. Performance of services would be at designated locations along the Middle Rio Grande.