Industrial Mineral Mining Operations - Deep Underground Mine Locations
收藏Pennsylvania Department of Environmental Protection Open Data2026-07-09 更新2026-07-10 收录
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https://newdata-padep-1.opendata.arcgis.com/maps/96a0547ac7044ce4ab58688c0e687a44
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资源简介：
This layer is point features for Industrial Mineral Mining Operations for Deep Underground Mine Locations. Deep Mine Underground mining of industrial minerals, i.e., noncoal mining. Includes, but is not limited to, industrial minerals extracted from beneath the surface by means of shafts, tunnels, adits, or other mine openings.
创建时间：
2016-07-28
