The Department of Defense, specifically the Department of the Army, is seeking qualified vendors for a federal contract related to the procurement of rock, classified under the NAICS code 212321 for Construction Sand and Gravel Mining. This opportunity is set aside for small businesses, as indicated by the Total Small Business Set-Aside designation (FAR 19.5), and aims to fulfill the military's requirements for mineral construction materials in bulk, categorized under the PSC code 5610. Interested parties can reach out to Shawn Stratton at shawn.c.stratton.civ@army.mil or call 785-239-8747 for further details regarding the solicitation process.