The U.S. Army Corps of Engineers Kansas City District, Operations Division, has a need for riprap rock that shall be from Corps of Engineers approved sources. For the purpose of this specification, a source will refer to a specific bed at a specific quarry location. The rock will be delivered to four (4) sites at Rathbun Lake Project in Centerville, IA. A total of 67,451 Tons is to be delivered. The Contractor shall provide all personnel, equipment, supplies, facilities, transportation, tools, materials, supervision, and other items and non-personal services necessary as defined in the Purchase Description, except for those items specified as Government furnished property and services. The Contractor shall perform to the standards in the contract.