The mining law that governs the exploration and mining of hardrock minerals on U.S. public lands was passed into law in what year?

The mining law that governs the exploration and mining of hardrock minerals on U.S. public lands was passed into law in what year?

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