Browse TRAIL Inventories

Mining methods and costs at the Argonaut mine, Amador County, California

Mining methods at the Block P Mine of the St. Joseph Lead Co., Hughesville, Mont.

Milling methods at the Hughesville Concentrator of the St. Joseph Lead Co., Hughesville, Mont.

Methods and costs of concentrating tungsten ores at Atolia, San Bernardino County, Calif.

Methods and costs of concentrating scheelite ore at the Silver Dike Mill, Mineral County, Nev.

Factors governing the selection of the proper level interval in underground mines

Methods and costs of mining ferberite ore at Cold Springs Mine, Nederland, Boulder County, Colo.

Square-set system of mining

Methods and costs of milling ferberite ore at the Wolf Tongue Concentrator, Nederland, Boulder County, Colo.

Leasing system as applied to metal mining

Mining and milling tungsten ores

Tungsten.

A note on the use of ultraviolet lamps in mines for rapid detection of scheelite in ores by fluorescence

Reconnaissance of mining districts in Pershing County, Nev.

Reconnaissance of mining districts in Clark County, Nev.

Reconnaissance of mining districts in Mineral County, Nev.

Reconnaissance of mining districts in Humboldt county, Nevada

Reconnaissance of mining districts in Eureka County, Nevada

Reconnaissance of mining districts in Lander County, Nevada


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