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- Mining laws of Great Britain
- Safety in the iron mines of the Menominee Range, Michigan
- Milling methods and costs of Coniaurum Mines, Ltd., Schumacher, Ontario
- Milling methods and costs of the Minas de Matahambre, S.A., concentrator
- Mining and crushing methods and costs at the Monocacy Quarry of the John T. Dyer Quarry Co., Monocacy, Pa.
- Magnesium compounds (other than magnesite)
- Milling methods and costs at the Homestake Mine, Lead, S. Dak.
- Some coal-mine safety organizations in the Pennsylvania bituminous field
- Some safety records in Illinois coal mines
- Mine explosions, mine fires, and miscellaneous accidents in the United States during the fiscal year ended June 30, 1930
- Compendium on limes in hydrometallurgy and flotation
- Safety consciousness
- Method and cost of recovering quicksilver from low-grade ore at the reduction plant of the Sulphur Bank Syndicate, Clearlake, Calif.
- Requirements for bolts and similar fastenings for permissible electrical equipment
- Amalgamation practice at the Porcupine United Gold Mines, Ltd., Timmins, Ont.
- Supervision as a means of preventing accidents from falls of roof and coal
- Some runaway car trips on inclines at coal mines
- Effect on workers of air conditions
- Mining, crushing, and grinding methods and costs at the Reliance Cement-Rock Quarry of the Giant Portland Cement Co., Egypt, Pa.
- Bibliography of the metallurgical work of the U.S. Bureau of Mines in 1930
- Methods and costs of mining quicksilver ore at the New Idria Mine, San Benito County, Calif.
- State mine inspectors :their appointment, qualifications, and remuneration
- Petroleum refineries in the United States, January 1, 1931
- Methods and costs of milling feldspar at the Minpro Plant, Tennessee Mineral Products Corporation, Spruce Pine, N.C.
- Mining methods of Kirkland Lake Gold-Mining Co. (Ltd.), at Kirkland Lake, Ontario.
- Protection against mercury vapor afforded by canister gas masks
- Salts in the tri-state mill waters :their ill-effect on the flotation of blende and their removal
- Official changes in the active list of permissible explosives and blasting devices for January, 1932
- Concentration of the rake discharge from a bowl classifier in a washing plant of the Mesabi Range, Minnesoda
- Acidity of drainage from high pyritic coal areas in Pennsylvania
- Washability studies of the Brookwood Bed at the Warrior View Mine, Tuscaloosa, Ala.
- Analytical distillation of coal tar
- Some methods of separating oil and water in West Texas fields, and the disposal of oil-field brines in the Hendricks oil field, Texas
- The National safety competition of 1931
- The use of lime in a salt solution for removing hydrogen sulphide from natural gas
- Do fuses protect against methane ignition?
- Falls of roof and coal in the Book Cliffs and Wasatch Plateau Coal Fields in Utah
- Investigations during 1931 of gases in manholes in Boston, Massachusetts
- Compressed air for operating modern coal-mining equipment
- Composition of the fractions of primary and high-temperature tar
- Explosive shattering of minerals as a substitute for crushing preparatory to ore dressing
- The determination of volatile matter in low-temperature cokes, chars, and noncoking coals
- Inflammable gases produced by thermal decomposition of plastic insulators in an electric arc
- A study of falls of roof and coal in mines of Lincoln County, Wyoming
- Use of micropyrometer for high-temperature melting point
- Washability data on certain coal beds of Alabama with special reference to sulphur elimination
- Absorbents for liquid-oxygen explosives :their relation to sensitiveness to impact and other properties of L.O.X.
- Active list of permissible explosives and blasting devices approved prior to June 30, 1932
- Review of fatalities in the California petroleum industry during the calendar year 1931
- Toxicity of dichlorotetrafluoroethane