Swanson, L.Meyer, G.N.2010-02-252010-02-251990https://hdl.handle.net/11299/584927 pls. Scale 1:100,000 and smaller. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, bedrock topography and depth to bedrock; pl. 5, hydrogeology; pl. 6, sensitivity of ground-water systems to pollution; pl. 7, geology and well construction.en-USatlasgeologyMap