Net coal thickness isopachs, Ferris 23, 25, 31, 50 and 65 coal zones, Hanna Basin Wyoming (fer*catg)

These ArcView shapefiles contain representations of the net coal thickness in the Ferris 23, 25, 31, 50 and 65 coal zones in the Ferris coalfield, Hanna Basin, Wyoming. These datasets were created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region.本批ArcView 形状文件（ArcView shapefile）包含怀俄明州汉纳盆地费里斯煤田内费里斯23、25、31、50及65号煤层区段的净煤厚度表征数据。该数据集专为落基山脉北部与大平原地区国家煤炭资源评估项目定制编制。