Wyodak-Anderson net coal thickness in the Sheridan coalfield, Wyoming (shrcatg)

This shapefile contains a polygon representation of the Wyodak-Anderson net coal thickness in the areaof the Sheridan coalfield. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region

本形状文件（shapefile）包含谢里登煤田（Sheridan coalfield）区域内怀俄达克-安德森（Wyodak-Anderson）煤层净厚度的多边形矢量表达。该专题图层专为北落基山脉与大平原地区的全国煤炭资源评估项目编制。