CGS Information Warehouse: Mineral Land Classification Maps (SMARA Study Areas)
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Mineral Land Classification studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq.) of 1975. To...
矿产地分类研究（Mineral Land Classification studies）由州地质学家依据1975年颁布的《露天采矿与复垦法》（Surface Mining and Reclamation Act，缩写SMARA，PRC 2710 et seq.）开展编制。旨在
提供机构：
State of California
