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. (Click image for larger view)


Stratigraphic Correlation Chart
40 inches x 56 inches





The maps are available by mail order (including key with well locations and data). The paper sizes and costs are listed below each map. To order, please contact the South Dakota Geological Survey at 605-677-5227 or complete the order form available on the Survey's Publications and Maps page. Other county maps showing oil and gas well, test hole, and permit locations are available upon request.


The maps displayed below are in Adobe Acrobat (PDF) format for viewing and printing. The maps are updated periodically. 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.

Get Free Adobe Acrobat 



South Dakota Statewide online print icon   Fall River County O&G Wells, Test Holes, and Fields online print icon
42 inches x 52 inches, $15.00 34 inches x 44 inches, $10.00
Harding County Oil and Gas Fields online print icon Harding County Enhanced Recovery Units online print icon
36 inches x 48 inches, $15.00 36 inches x 48 inches, $15.00
Custer County Oil and Gas Wells and Test Holes online print icon  Meade County Oil and Gas Wells and Test Holes online print icon
25 inches x 36 inches, $10.00 46 inches x 54 inches, $15.00
Butte County Oil and Gas Wells and Test Holes online print icon Perkins County Oil and Gas Wells and Test Holes online print icon
36 inches x 48 inches, $15.00 48 inches x 36 inches, $15.00





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.