Mining and milling methods and costs at the Ash Peak mine of the Veta Mines, Inc., Duncan, Arizona
Lines, H.L., 1940, Mining and milling methods and costs at the Ash Peak mine of the Veta Mines, Inc., Duncan, Arizona: U.S. Bureau of Mines Information Circular I.C. 7119, 26 p.
Authors
Lines, H.L.
Publication Date
1940
Citation
U.S. Bureau of Mines Information Circular I.C. 7119, 26 p.