An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Environmental Modeling Community of Practice

WhAEM2000 BBM Files - Yankton, South Dakota

Click on any of the eight 15 by 15 minute quadrangles (outlined in red) to download binary base map files for that area. Alternatively, you can choose from a text list of available 15 by 15 minute quadrangles.

Each compressed download file contains binary base map files for roads, miscellaneous transportation, railroads, and streams. The download files are compressed as self-extracting Zip files and can be extracted to the directory of your choice.


YanktonYankton Quad 1Yankton Quad 2Yankton Quad 3Yankton Quad 4Yankton Quad 5Yankton Quad 6Yankton Quad 7Yankton Quad 8

| Quad 1 | Quad 2 | Quad 3 | Quad 4 | Quad 5 | Quad 6 | Quad 7 | Quad 8 |