You searched for: Subject Coalfields Remove constraint Subject: Coalfields Place Alaska Remove constraint Place: Alaska Place Alabama Remove constraint Place: Alabama Data type Polygon Remove constraint Data type: Polygon Format Shapefile Remove constraint Format: Shapefile Year 2001 Remove constraint Year: 2001
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.