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- U.S. Geological Survey6
- Dept. of the Interior, U.S. Geological Survey2
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- The Survey ; For sale by Map Distribution2
- U.S. Geological Survey ; For sale by Map Distribution2
- Dept. of the Interior, United States Geological Survey1
- Geological Survey of Canada1
- Geological and Natural History Survey of Minnesota1
- Minnesota Geological Survey, University of Minnesota1
- The Survey1
- The Survey : [Books and Open-file Reports Section]1
- The Survey ; For sale by Branch of Distribution, USGS1
- s.n., Snyder & Black).1
