Filter by: Subject
Now showing items 1-10 of 1
Carboniferous - Minnekahta limestone; Opeche formation; Minnelusa sandstone (1) |
Carboniferous - Minnekahta limestone; Opeche formation; Minnelusa sandstone; Pahasapa limestone (1) |
Cretaceous - Laramie formation; Fox Hills formation; Pierre shale; Niobrara formation; Carlile formation; Greenhorn limestone; Graneros formation; Dakota sandstone; Fuson formation; Lakota sandstone; Morrison shale (1) |
Cretaceous - Pierre shale; Niobrara formation; Carlile formation; Greenhorn limestone; Graneros shale; Dakota sandstone; Fuson formation; Minnewaste formation; Lakota formation; Morrison formation (1) |
Geology -- South Dakota -- Custer County -- Maps (1) |
Geology -- South Dakota -- Pennington County -- Maps (1) |
Geology -- United States --Maps (1) |
Geology -- Wyoming -- Weston County -- Maps (1) |
Groundwater -- South Dakota -- Custer County -- Maps (1) |
Groundwater -- South Dakota -- Pennington County -- Maps (1) |