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You searched for: Author Eastern Energy Resource Surveys Team (Geological Survey) Remove constraint Author: Eastern Energy Resource Surveys Team (Geological Survey) Place Massachusetts Remove constraint Place: Massachusetts Year 2001 Remove constraint Year: 2001
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1. Coal Fields of the United States

2001. Eastern Energy Resource Surveys Team (Geological Survey). This polygon shapefile shows the coal fields of Alaska and the conterminous United States. Most of the material for the conterminous United States ... National Atlas of the United States.