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Publisher
- Minnesota Geological Survey14
- Minnesota Department of Natural Resources, Division of Waters6
- United Arab Emirates Government3
- United States Geological Survey2
- Bloomington/Monroe County Convention and Visitors Bureau1
- Indiana Geological Survey1
- ML InfoMap (Firm)1
- Mass Marketing Inc., Merchant Maps Division1
- Michigan Center for Geographic Information1
- Oak Ridge National Laboratory1
- Purdue University Libraries1