Colstrip coal field boundary and the Rosebud-Robinson coal zone (rsbndg.shp)

This ArcView shapefile contains a polygon
representation of the Colstrip coalfield boundary and the
Rosebud-Robinson coal zone resource assessment area..
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）包含科斯特利普煤田边界与罗斯巴德-罗宾逊煤带资源评估区的多边形表示。本专题图层专为北落基山脉及大平原地区的全国煤炭资源评估项目制作。