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General Maps

    The files provided are relatively large in size and should be downloaded by "right-clicking" the download link and selecting "Save as...".
General Map No. 2: Coal fields of northwestern South Dakota PDF document
Map (14.6 Mb) 
General Map No. 3: Panel diagram of subsurface formations in South Dakota PDF document
Map (36.4 Mb) 
General Map No. 4: Structure map of South Dakota, Greenhorn datum PDF document
Map (43.7 Mb) 
General Map No. 8: Recorded earthquakes in South Dakota PDF document
Map (0.4 Mb) 
General Map No. 9: Bedrock geologic map showing configuration of the bedrock surface in South Dakota east of the Missouri River PDF document                       
Map (12.5 Mb)    Shapefiles
General Map No. 10: Geologic map of South Dakota PDF document                           PDF document                      
Map (10.6 Mb)       Text (0.1 Mb)      Shapefiles