Spatial Coverage: South Dakota. / Year: 1961 - Yale University Library GeoBlacklight Search Results

Start Over Spatial Coverage South Dakota. Year 1961

1. Oil tests in South Dakota

1961. 2018-05-14T19:53:02Z. 2018-05-14T19:53:02Z. Agnew, Allen F., 1918-2012. South Dakota Geological Survey. English. cartographic image. Public. South Dakota and South Dakota.

2. Preliminary map of the Precambrian surface of South Dakota

1961. 2018-05-14T19:43:37Z. 2018-05-14T19:43:37Z. Steece, Fred V. South Dakota Geological Survey. English. cartographic image. Public. South Dakota and South Dakota. Precambrian and From 570 million to 5 billion years ago.