Net coal thickness in the Colstrip coalfield, Powder River Basin, Montana (rscatg.shp)

This ArcView shapefile contains a polygon representation of the total, net coal thickness map of the Rosebud-Robinson coal zone in the Colstrip coalfield (Powder River Basin) Montana. This theme was created specifically for the National Coal Resources Assessment in the Northern Rocky Mountains and Great Plains Region.

本ArcView形状文件（ArcView shapefile）包含了蒙大拿州粉河盆地（Powder River Basin）科尔斯利普煤田内罗斯巴德-罗宾逊煤层带的总净煤厚度多边形分布图。该专题图层专为落基山脉北部与大平原地区的全国煤炭资源评估（National Coal Resources Assessment）制作。