Call Number (LC) Title Results
I 28.27:6887 Camp, L. W., Company. Mining and grinding methods and costs at L. W. Camp Co. shale pit, Akron, Ohio.
Mining and grinding methods and costs at the L.W. Camp Co. shale pit, Akron, Ohio / 		3
I28.27..6887 Camp, L. W., Company. Mining and grinding methods and costs at L. W. Camp Co. shale pit, Akron, Ohio. 2
I 28.27:6888 Ringelmann smoke chart.
Ringelmann smoke chart / 		3
I28.27..6888 Ringelmann smoke chart. 2
I 28.27:6889 Mining and grinding methods and costs at Camp Brothers Company shale pit, Mogadore, Ohio.
Mining and grinding methods and costs at the Camp Brothers Company shale pit, Mogadore, Ohio / 		3
I28.27..6889 Mining and grinding methods and costs at Camp Brothers Company shale pit, Mogadore, Ohio. 2
I 28.27:6890 Coal-­mine fatalities in Alabama, 1931�?34.
Coal-mine fatalities in Alabama : 1931-34 / 		3
I28.27..6890 Coal-­mine fatalities in Alabama, 1931�?34. 2
I 28.27:6891 Design and operation of a four-ton-per-hour gold and silver ore-sampling plant /
Design and operation of 4–ton–per–hour gold and silver ore-­sampling plant.
Design and operation of 4-ton-per-hour gold and silver ore-­sampling plant. 		3
I28.27..6891 Design and operation of 4–ton–per–hour gold and silver ore-­sampling plant.
Design and operation of 4-ton-per-hour gold and silver ore-­sampling plant. 		2
I 28.27:6892 Review of literature on effects of breathing dusts with special reference to silicosis.
Review of literature on effects of breathing dusts, with special reference to silicosis; Pt. 3-B, Chap. 5, Economic and legal aspects of dust disease in industry (Sec. 3 and 4) 		2
I28.27..6892 Review of literature on effects of breathing dusts, with special reference to silicosis; Pt. 3-B, Chap. 5, Economic and legal aspects of dust disease in industry (Sec. 3 and 4) 1
I 28.27:6893 Longwall mining methods in some mines of Middle Western States.
Longwall mining methods in some mines of the Middle Western states / 		3
I28.27..6893 Longwall mining methods in some mines of Middle Western States. 2
I 28.27:6894 Electrical viewpoint in a complete safety survey of a coal mine /
Electrical viewpoint in complete safety survey of coal mine. 		2
I28.27..6894 Electrical viewpoint in complete safety survey of coal mine. 1
I 28.27:6895 Explosions of coal dust in tipples and cleaning plants and some suggestions on preventing them /
Explosions of coal dust in tipples and cleaning plants and some suggestions on preventing them [mine structure for conveying extracted ores] 		2
I28.27..6895 Explosions of coal dust in tipples and cleaning plants and some suggestions on preventing them [mine structure for conveying extracted ores] 1
I 28.27:6896 Accident-­cost data on most of bituminous coal mined east of Mississippi River, Apr. 1, 1934–Jan. 31, 1935.
Accident-cost data on most of the bituminous coal mined east of the Mississippi River from April 1, 1934 to January 31, 1935 /
Accident-­cost data on most of bituminous coal mined east of Mississippi River, Apr. 1, 1934-Jan. 31, 1935. 		3
I28.27..6896 Accident-­cost data on most of bituminous coal mined east of Mississippi River, Apr. 1, 1934–Jan. 31, 1935.
Accident-­cost data on most of bituminous coal mined east of Mississippi River, Apr. 1, 1934-Jan. 31, 1935. 		2