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Author
Eastern Energy Resource Surveys Team (Geological Survey)
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Format
Shapefile
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Publisher
National Atlas of the United States
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Access
Public
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Subject
Coal
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Place
Connecticut
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Polygon
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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.