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Department of Energy Timeline of Growth by Chris Edwards 1866: Mining laws of 1866 and 1872 officially open federal lands to mineral development. Prior to these laws, mining on federal lands was illegal but widely practi
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Document Date: 2015-04-27 09:42:47
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Department of Energy Timeline of Growth by Chris Edwards 1866: Mining laws of 1866 and 1872 officially open federal lands to mineral development. Prior to these laws, mining on federal lands was illegal but widely practi