Call Number (LC) Title Results
I 28.27:6865 Electric cap lamps in Alabama mines, 1935 / 1
I 28.27:6866 Recent trends in design and construction of copper concentrators in the Southwest / 1
I 28.27:6867 Silicosis as affecting mining workmen and operations.
Silicosis as affecting mining workmen and operations / 		3
I28.27..6867 Silicosis as affecting mining workmen and operations. 2
I 28.27:6868 Coal­mine fatalities in Kentucky in 1934.
Coal-mine fatalities in Kentucky in 1934 / 		3
I28.27..6868 Coal­mine fatalities in Kentucky in 1934. 2
I 28.27:6869 Asbestos : milling, marketing, and fabrication / 1
I 28.27:6870 Coal-­mine explosions and fires in United States, during fiscal year 1935.
Coal-mine explosions and fires in the United States : during the fiscal year ended June 30, 1935 / 		3
I28.27..6870 Coal-­mine explosions and fires in United States, during fiscal year 1935. 2
I 28.27:6871 How to use permissible explosives properly.
How to use permissible explosives properly / 		2
I28.27..6871 How to use permissible explosives properly. 1
I 28.27:6872 Methods of development and pillar extraction in mining the Pittsburgh coal bed in Pennsylvania, West Virginia, and Ohio / 1
I 28.27:6873 A note on the use of ultraviolet lamps in mines for rapid detection of scheelite in ores by fluorescence / 1
I 28.27:6874 Methane-­indicating detectors prove dependable in sampling air in anthracite mines.
Methane-indicating detectors prove dependable in sampling air in anthracite mines / 		3
I28.27..6874 Methane-­indicating detectors prove dependable in sampling air in anthracite mines. 2
I 28.27:6875 Sand and gravel excavation : pt. 5, Motor­truck haulage, conveyor­belt haulage, pumps and pipe lines, barges and towboats, aerial trams.
Sand and gravel excavation. 		3
I28.27..6875 Sand and gravel excavation : pt. 5, Motor­truck haulage, conveyor­belt haulage, pumps and pipe lines, barges and towboats, aerial trams. 2
I 28.27:6876 Mineral industries survey of United States : Idaho, Shoshone County, Coeur d̀Alene district: The silver belt and Sunshine mine of Coeur d̀Alene district.
Mineral industries survey of the United States : Idaho, Shoshone County, Coeur d'Alene District : the Silver Belt and the Sunshine Mine of the Coeur dÁlene District / 		3
I28.27..6876 Mineral industries survey of United States : Idaho, Shoshone County, Coeur d̀Alene district: The silver belt and Sunshine mine of Coeur d̀Alene district. 2
I 28.27:6876-6900 Longwall mining methods in some mines of the Middle Western states / 1