Milling methods and costs at Hillside Fluorspar Mines, Rosiclare, Ill.

Milling methods and costs at Argonaut Mill, Jackson, Calif.
Published: (1931)

Milling methods and costs of Coniaurum Mines (Limited), Schumacher, Ontario.
Published: (1931)

Milling methods and costs at Homestake mine, Lead, S.Dak.
Published: (1931)

Milling methods and costs at lead concentrator of Hecla Mining Company, Gem, Idaho.
Published: (1932)

Milling methods and costs at concentrator of Chief Consolidated Mining Company, Eureka, Utah.
Published: (1930)

Milling methods and costs at Page concentrator of Federal Mining and Smelting Company, Kellogg, Idaho.
Published: (1932)

Milling methods and costs at Morning concentrator of Federal Mining and Smelting Company, Mullan, Idaho.
Published: (1932)

Milling methods and costs at Spring Hill concentrator of Montana Mines Corporation, Helena, Mont.
Published: (1931)

Milling methods and costs at Superior concentrator of Engels Copper Mining Company, Plumas County, Calif.
Published: (1932)

Milling methods and costs at Montana mine concentrator of Eagle-Picher Lead Company, Ruby, Ariz.
Published: (1931)

Underground mining practice and costs of fluorspar mine at Rosiclare, Ill.
Published: (1930)

Milling methods at concentrator of Walker Mining Company, Walkermine, Calif.
Published: (1932)

Milling methods and costs at Verde Central concentrator, Jerome, Ariz.
Published: (1931)

Milling methods in the Americas /
Published: (1964)

Milling methods and costs at concentrator of Miami Copper Company, Miami, Ariz.
Published: (1932)

Milling methods and costs of Minas de Matahambre, S.A., concentrator.
Published: (1931)

Milling methods and costs at concentrator of Magma Copper Company, Superior, Ariz.
Published: (1930)

Milling methods and costs at Arthur and Magna concentrators of Utah Copper Company.
Published: (1931)

Milling methods and costs at concentrator of Old Dominion Company, Globe, Ariz.
Published: (1931)

Milling methods and costs at concentrator of United Verde Copper Company, Clarkdale, Ariz.
Published: (1930)

Milling methods at Midvale concentrator of U.S. Smelting, Refining and Mining Company, Midvale, Utah.
Published: (1931)

Milling methods and costs at concentrator of Britannia Mining and Smelting Company, Limited, Britannia Beach, B.C.
Published: (1932)

Milling methods and costs at Copper Queen concentrator of Phelps Dodge Corporation, Bisbee, Ariz.
Published: (1931)

Milling methods and costs at concentrator of Cananea Consolidated Copper Company, Cananea, Sonora, Mexico.
Published: (1930)

Milling methods and costs at lead-zinc concentrator of Treadwell Yukon Company, Limited, at Tybo, Nev.
Published: (1931)

Refraction seismic investigations Rosiclare fluorspar district, Illinois.
by: Johnson, Robert Britten, 1924-
Published: (1957)

Milling methods and costs at Pecos concentrator of American Metal Company, Tererro, N.Mex.
Published: (1932)

Milling practice at Netta mine of Eagle Picher Lead Company, at Picher, Okla.
Published: (1930)

Milling methods of American Zinc Company of Tennessee, Mascot, Tenn.
Published: (1930)

Milling practice of Kirkland Lake Gold Mines (Limited), Kirkland Lake, Ontario.
Published: (1931)

Milling methods at Hughesville concentrator of St. Joseph Lead Company, Hughesville, Mont.
Published: (1931)

Reduction mills in Oregon in 1925.
Published: (1927)

Reduction mills in Washington in 1925.
Published: (1927)

Reduction mills in Nevada in 1925.
Published: (1927)

Reduction mills in Idaho in 1925.
Published: (1927)

Reduction mills in Utah in 1925.
Published: (1927)