The South Dakota Stratigraphic Correlation Chart (Oil & Gas Investigation 3) depicts a chronostratigraphic classification for the geologic strata within the various 
geologic basins and areas in the state. The chart is available from the South Dakota Geological Survey.
The maps displayed or listed below are Graphics Interchange Format (gif) images for viewing (click on map to expand), and are updated periodically. The maps in Adobe Acrobat (PDF) format are for viewing and printing larger size and scale plots (click on 
), and are updated on a monthly, or as needed, basis. The PDF files can be printed in sizes from 8.5x11 in. to 34x44 in., but the scale is set to the largest size plot. To view the PDF files you will need Adobe Acrobat Reader software. If you do not have the software, you can click on the link below to get a free copy.
The maps are also available by mail order (including key with well locations and data). The paper sizes and costs are listed below. Costs for larger scale plots will be determined on a case-by-case basis.
| Map Size (inches) | Cost |
| 8.5 x 11 | $1.00 |
| 11 x 17 | $1.25 |
| 17 x 22 | $2.50 |
| 22 x 34 | $5.00 |
| 34 x 44 | $10.00 |
To order, please contact the South Dakota Geological Survey at 605-677-5227.
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| South Dakota Statewide |
Black Hills Region |
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| Harding County |
Fall River County |
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| Custer County |
Butte County |
OTHER COUNTY/REGIONAL MAPS
As stated above, these maps are in Graphics Interchange Format (gif) and Adobe Acrobat (PDF) formats for viewing and printing.
County/Region (online viewing) |
PDF version (suitable for printing) |
|---|---|
| DEWEY | |
| BENNETT/SHANNON/JACKSON | |
| CORSON | |
| HAAKON | |
| HUGHES |  |
| JONES/LYMAN/STANLEY | |
| LAWRENCE | |
| MEADE | |
| MELLETTE/TODD/TRIPP/GREGORY | |
| PENNINGTON | |
| PERKINS | |
| SPINK |  |
| STANLEY | |
| ZIEBACH | |
LEGAL DISCLAIMER
The State of South Dakota (State) makes no claims, promises, or guarantees about the absolute accuracy, completeness, or adequacy of this data. The use of this data is limited to informational and educational purposes only. This data is provided as is and in no event or circumstance shall the State, nor any agency, employee or representative be liable for any damages or losses, including without limitation, damages resulting from lost profits or revenue, claims by third parties or any special, incidental, punitive or consequential damages, arising out of the use of this data. The State may make changes to information at any time to add, update, or correct the information provided. Any errors or omissions should be reported for investigation. Any person or entity that relies on information obtained from this system does so at his or her own risk. The State makes every effort to provide virus-free files, but does not guarantee uncorrupted files.
