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- Sand-and-gravel safety contest of 1931
- Selective oiling and table concentration of phosphatic sands in the Land-Pebble district of Florida
- Laboratory batch still and fractionating column for the production and study of lubricating distillates under vacuum
- The effect of oxygen on gaseous hydrogen sulphide corrosion of tank steel
- Re-treatment of fine washed coal from the Black Creek and Mary Lee Beds on coal washing tables
- A study of the properties of Texas polyhalite pertaining to the extraction of potash.
- Inflammability of mixed gases :mixtures of methane, ethane, hydrogen, and nitrogen
- The splicing of rubber-sheathed trailing cables
- Deviation of natural gas from Boyle's law
- Construction of master mechanical oscillator for testing seismic recorders and other allied apparatus
- Molybdenum
- Sampling and exploration by means of hammer drills
- Motor-Gasoline Survey, August, 1931.
- Methods and costs of concentrating scheelite ore at the Silver Dike Mill, Mineral County, Nev.
- Index to Geophysical Abstracts :no. 21 to no. 32
- Notes pertaining to safety inspections of permissible electric mine equipment
- Data in reference to installation of cables in shafts and boreholes
- Rock-dust does stop or limit mine explosions
- A mechanically driven level rock tunnel
- Quarrying methods and costs at the Sloan quarry of the United States Lime Products Corporation, Sloan, Nev.
- Milling methods and costs at the lead concentrator of the Hecla Mining Co., Gem, Idaho
- Mining methods and costs at the Mt. Hope mine of the Warren Foundry and Pipe Corporation, Mt. Hope, N.J.
- Shaft-sinking methods, practices, and costs of the Consolidation Coal Co. at its no. 261 mine, Caretta, McDowell County, W. Va.
- Method and cost of quarrying limestone at the Milltown quarry of the Louisville Cement Co., Milltown, Indiana
- Milling methods and costs at the Pecos Concentrator of the American Metal Co., Tererro, N. Mex.
- Quarrying and crushing methods and costs at the Santa Catalina Island quarry of Graham Bros., Inc., Santa Catalina Island, Calif.
- Gold mining and milling methods and costs at the Vallecito Western Drift mine, Angels Camp, Calif.
- Factors governing the selection of the proper level interval in underground mines
- Methods and costs of mining and crushing gypsum at the mine of the Blue Diamond Corporation, Ltd., Arden, Nev.
- A ventilation study of the Graceton Coal & Coke Co. mine, Graceton, Pa.
- Falls of roof and coal in Washington mines
- Mica-mining methods, costs, and recoveries at no. 10 and no. 21 mines of the Spruce Pine Mica Co., Spruce Pine, N.C.
- Accident experience and cost in Pennsylvania anthracite and bituminous mines :1926-30
- Milling methods and costs at the concentrator of the Britannia Mining & Smelting Co., Ltd., Britannia Beach, B.C.
- Milling methods and costs at the Hillside Fluorspar mines, Rosiclare, Ill.
- Employee-timekeeping system and mechanical pay-roll methods at Britannia Mining & Smelting Co. (Ltd.), Britannia Beach, B.C.
- Magnetic concentration methods and costs of Witherbee, Sherman & Co., Mineville, N.Y.
- Method and cost of dredging sand and gravel, Portland Gravel Co., Portland, Oreg.
- Mining laws of Poland
- Mining laws of the Republic of Liberia
- Mining laws of Denmark and Danish possessions
- Mining laws of Haiti
- Mining laws of the Unfederated Malay States
- Mining laws of Greece
- Natural-gasoline plants in the United States :January 1, 1932
- Mining laws of Finland
- The mineral industry
- Physiological factors in mine ventilation in 1931
- Survey of cracking plants, January 1, 1932
- Mining and technology graduates and their problems
