Hanna 77, 78, 79 and 81 coal zone study limit boundaries, Wyoming (ha*stdyg)
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These ArcView shapefiles contain representations of the Hanna coal zone study limit boundaries in the Hanna coalfield, Hanna Basin, Wyoming. These shapefiles were...
此类ArcView格式形状文件（ArcView shapefiles）包含了怀俄明州汉纳盆地汉纳煤田内汉纳煤层带研究限定边界的地理要素表征。此类形状文件……
