Image: MN USGS Tapestry
MN_USGS_Tapestry.jpg (569 × 349 pixels, file size: 163 KB, MIME type: image/jpeg)
Description: A bedrock geologic map by age of the US state of Minnesota. Part of the Tapestry of Time and Terrain project of the United States Geological Survey
Title: MN USGS Tapestry
Credit: United States Geological Survey: http://tapestry.usgs.gov/states/minnesota.html
Author: United States Geological Survey
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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