Browse TRAIL Inventories

Fatal accident from entering unventilated raise after blasting

Accident-prevention measures at the Moctezuma Copper Co.

Form of report for underground accidents

Cut-and-fill stoping

Square-set system of mining

Placer mining in the western United States :part 1. general information, hand-shoveling, and ground-sluicing

Placer mining in the western United States :part II. Hydraulicking, treatment of placer concentrates, and marketing of gold

Mining methods and costs at Herron and Laster Lease, Superior, Ariz.

Mining and milling practices at small gold mines

Milling methods and costs at the concentrator of the St. Joseph Lead Co., Atlanta, Idaho

Placer mining in the western United States :part III. Dredging and other forms of mechanical handling of gravel, and drift mining

Mining methods and costs at the mine of the St. Joseph Lead Co., Atlanta, Idaho

Placer-mining methods of E.T. Fisher Co., Atlantic City, Wyo.

Mining methods and costs at the Eureka Standard mine

Costs of trucking and packing ore in western gold-mining districts

Prospecting for lode gold

Gold mining and milling in the Black Mountains, Western Mohave County, Ariz.

Placer operations of Humphreys Gold Corporation, Clear Creek, Colo.

Power-shovel and dragline placer mining

Tin deposits of the Black hills, South Dakota

Proposed methods and estimated costs of mining oil shale at Rulison, Colo.

Guide to prospecting for lode gold


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