This is a combined synopsis/solicitation for a Multiple Award Blanket Purchase Agreement (BPA) to supply various types of aggregate and limestone. The services are to be performed at the Ottawa National Wildlife Refuge located at 14000 W State Route 2, Oak Harbor, Ohio, 43449. To express interest, vendors must email Robert_Sung@ios.doi.gov with a statement of understanding of the material standards, a current price schedule per ton for all ten listed materials with separate delivery costs to the specified location, and their CAGE code and UEID.