U.S. Mines, bureau of New headquarters for Rocky Mountain region of U.S. Mines bureau to be moved here from Salt Lake City News S 1949 p.18 1947 Being streamlined by director of newly-created Rocky Mountain region. Post 0 6 149 p.21 U.a. Bureau of Mines aids in preventing mine disasters. Pot F 27, 194'7 p.25 Mines bureau aids vast western area. Post F 28, 1947 P.32 Dedication of oil shale plant of U.S. mines bureau to be held. Post AP 30, 1947 p.30
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