Stench Warnings in Metal Mines

Test of Gas Masks and Respirators for Protection from Locomotive Smoke in Railroad Tunnels with Analysies of Tunnel Atmospheres

The Sugar-tube Method of Determining Rock Dust in Air

The Carbon Monoxide Self-rescuer

Permeability of Oxygen Breathing Apparatus to Gasoline Vapors: Issues 2064-2065

Carbonizing Properties and Petrographic Composition of Upper Banner Bed Coal from Clinchfield No. 9 Mine, Dickenson County, Va: And of Indiana No. 4 Bed Coal from Saxton No. 1 Mine, Vigo County, Ind. : and the Effect of Blending These Coals with Beckley Bed Coal

Annual Report of Research and Technologic Work on Coal, Fiscal Year 1937

Gas Mask for Protection in Air Against All Gases, Vapors, and Smokes: Volume 22

Notes on the Sampling and Analysis of Coal

Gases Produced in the Use of Carbon Tetrachloride and Foamite Fire Extinguishers in Mines

Developments in Coal Research and Technology in 1937 and 1938

Recent Developments in By-products from Bituminous Coal

Coal for Coke Production

Recent Developments in the Production of Motor Fuels from Coal

The Classification of North American Coals

Achievements in Mine Safety Research and Problems Yet to be Solved

Gases Commonly Used in the Industries and the Home and Their Hazards

Tests of the Heliopore Coal-carbonization Power-plant Process

Coal-research Activities of the Bureau of Mines

Résumé of Research and Technologic Work Relating to Coal Conducted by the Technologic Branch During 1936