Call Number (LC) Title Results
I 28.27:7597 Treatment of timber / 1
I 28.27:7599 Some roof-control practices in coal mines of the United Kingdom / 1
I 28.27:7600 Bureau of Mines approval system for respiratory protective devices / 1
I 28.27:7601 Gas explosions and their prevention / 1
I 28.27:7601-7625 Why men were killed at Pennsylvania anthracite mines in 1950 / 1
I 28.27:7602 Mines and mineral deposits (except fuels) Judith Basin County, Mont. / 1
I 28.27:7603 Ventilating methods and safety measures used in the temporary ventilation of the King Solomon tunnel, Frisco, Summit County, Colo. / 1
I 28.27:7604 Analysis of haulage fatalities in bituminous-coal mines in 1950 / 1
I 28.27:7605 Falls of roof : the no. 1 killer in bituminous-coal mines / 1
I 28.27:7606 Permissible mine equipment approved during the calendar year 1950 / 1
I 28.27:7607 Mines and minerals deposits (except fuels) Gallatin County, Mont. / 1
I 28.27:7608 Allaying coal dust during operation of continuous-mining machines in Utah / 1
I 28.27:7609 Why men were killed at Pennsylvania anthracite mines in 1950 / 1
I 28.27:7610 Tunnel construction by peripheral sawing at the Fort Randall Reservoir, Pickstown, S. Dak. / 1
I 28.27:7611 Bench-scale studies of the Fischer-Tropsch synthesis over iron, nickel, and nickel cobalt catalysts (Japan) / 1
I 28.27:7612 Safety in hoisting at the United Verde Mine, Phelps Dodge Corp., Jerome, Ariz. / 1
I 28.27:7613 Petroleum refineries, including cracking plants, in the United States, January 1, 1951 / 1
I 28.27:7614 Froth-flotation practice in coal-preparation plants of Western Europe and Great Britain / 1
I 28.27:7615 Roof bolting and dust control / 1
I 28.27:7616 Petroleum and natural gas research program Bureau of Mines, fiscal year 1950 / 1