
This compilation contains issues 6 through 29 of the "Circular" series published by the South Dakota Geological Survey. These circulars provide detailed information on the geology, stratigraphy, and natural resources of South Dakota. They are invaluable resources for researchers,...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original...