The mining law that governs the exploration and mining of hardrock minerals on U.S. public lands was passed into law in what year? Naim 08:00 AP Environmental Science Chapter 14 The mining law that governs the exploration and mining of hardrock minerals on U.S. public lands was passed into law in what year? a. 1992 b. 1972 c. 1952 d. 1932 e. 1872 Answer: E Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+
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