Analyses of Iowa Coals

Steaming Tests of Coals and Related Investigations: September 1, 1904, to December 31, 1908, Issues 23-25

Ochers and Mineral Pigments of the Pacific Northwest Occurrence: Possible Methods of Preparation, and Testing of Ochers, Siennas, and Colored Clays, Issues 301-311

Recent Articles on Petroleum and Allied Substances: Issues 2090-2119; Issues 2121-2129

Official Changes in the Active List of Permissible Explosives and Blasting Devices for August, 1930: 1930-1931

Official Changes in the Active List of Permissible Explosives and Blasting Devices for September, 1929: 1929