Deep mining methods, Conglomerate mine of Calumet and Hecla Consolidated Copper Company.

Copper mining in North America.
Published: (1938)

Mine gases and methods for their detection.
Published: (1937)

Mining methods and costs at Hecla and Star mines, Burke, Idaho.
Published: (1930)

Carbonizing properties and petrographic composition of Millers Creek bed coal from Consolidation no. 155 mine, Johnson County, Ky., and effect of blending Millers Creek coal with Pocahontas bed and Pittsburgh bed (Warden mine) coals.
Published: (1937)

A history of coal, coke, coal fields, progress of coal mining, the winning and working of collieries, household, steam, gas, coking, and other coals, duration of the great northern coal field, mine surveying and government inspection : iron, its ores, and processes of manufacture, more particularly with reference to the recently-discovered iron ores of the Cleveland district and of the blast furnances in the north of England /
by: Fordyce, William
Published: (1860)

Coal mining in Europe : study of practices in different coal formations and under various economic and regulatory conditions compared with those in United States.
Published: (1939)

Study of mine roof in coking district of western Pennsylvania.
Published: (1935)

Bulletin.
Published: (1946)

Calumet & Hecla : pioneer, producer, and pacemaker /
by: Robson, Paul W.
Published: (1966)

Mining methods at 85 mine, Calumet and Arizona Mining Company, Valedon, N.Mex.
Published: (1931)

Sampling mine gases and use of the Bureau of Mines portable Orsat apparatus in their analysis.
Published: (1936)

[Exclusion of Petrified Wood from Mining Laws].
Published: (1962)

To Stabilize the Mining of Lead and Zinc by Small Domestic Producers.
Published: (1961)

[To Stabilize the Mining of Lead and Zinc by Small Domestic Producers].
Published: (1961)

Methods and costs of treatment at Calumet and Hecla reclamation plant.
Published: (1930)

Mining practice and methods at Inspiration Consolidated Copper Company, Inspiration, Ariz.
Published: (1929)

Hecla : a century of western mining /
by: Fahey, John, 1919-2004
Published: (1990)

To Exclude Deposits of Petrified Wood from Appropriation Under the U.S. Mining Laws.
Published: (1962)

To Exclude Deposits of Petrified Wood from Appropriation Under the U.S. Mining Laws.
Published: (1962)

Mining practice at Ray mines, Nevada Consolidated Copper Company, Ray, Ariz.
Published: (1929)

Carbonizing properties and constitution of Alma bed coal from Spruce River no. 4 mine, Boone County, W. Va.
Published: (1935)

[To Stabilize the Mining of Lead and Zinc by Small Domestic Producers on Public, Indian and Other Lands].
Published: (1961)

Mining methods and practice in Michigan copper mines.
Published: (1929)

Rock mechanics : for underground mining /
by: Brady, B. H. G. (Barry H. G.)
Published: (2004)

To Establish a Program for the Government Purchase and Resale of Domestically Produced Newly Mined Processed Mica and Mica Ore.
Published: (1962)

Flame-Ưarresting limitations of flat joints and plain bearings in explosion-Ưproof mine equipment.
Published: (1935)

Mining methods, practices, and costs of Cananea Consolidated Copper Company, Sonora, Mexico.
Published: (1930)

Mining methods at Campbell mine of Calumet and Arizona Mining Company, Warren, Ariz., inclined cut-and-fill and semishrinkage.
Published: (1930)

Lead and zinc mining and milling in United States, current practices and costs.
Published: (1935)

Federal placer-Ưmining laws and regulations; Small-scale placer-mining methods.
Published: (1938)

Acquisition of a Patented Mining Claim on the South Rim of Grand Canyon National Park.
Published: (1962)

Acquisition of a Patented Mining Claim on the South Rim of Grand Canyon National Park.
Published: (1962)

Acquisition of a Patented Mining Claim on the South Rim of Grand Canyon National Park.
Published: (1962)

Mining practice at Chino mines, Nevada Consolidated Copper Company, Santa Rita, N.Mex.
Published: (1931)

Safety work at Calumet and Arizona mines.
Published: (1919)

Deep mining : an advanced textbook for graduates in mining and for practising mining engineers /
by: Schalk, John, 1894-
Published: (1949)