Northern Powder River Basin, Montana, defined for 1999 National Coal Resource Assessment (prbnbndg.shp)
收藏DataONE2016-10-29 更新2024-06-26 收录
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资源简介：
This ArcView shapefile contains a polygon representation
of the northern boundary of the Powder River Basin
(Montana). This theme was created specifically
for the National Coal Resources Assessment in the
Northern Rocky Mountains and Great Plains Region.
创建时间：
2016-10-29
