|
I 28.27:8677
|
Impact of changing technology on the demand for metallurgical coal and coke produced in the United States to 1985 |
1 |
|
I 28.27:8678
|
The reserve base of coal for underground mining in the Western United States |
1 |
|
I 28.27:8679
|
Ground support systems in block-cave mining : a survey |
1 |
|
I 28.27:8680
|
The reserve base of U.S. coals by sulfur content : (in two parts) 1. The Eastern States |
1 |
|
I 28.27:8681
|
Implications of the water pollution control act of 1972 for the mineral resource industry, a survey |
1 |
|
I 28.27:8683
|
Automatic fire protection systems for large haulage vehicles : prototype development and in-mine testing |
1 |
|
I 28.27:8685
|
Strip-mining techniques to minimize environmental damage in the upper Missouri River Basin states |
1 |
|
I 28.27:8686
|
Noise control : proceedings : Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., January 22, 1975 |
1 |
|
I 28.27:8687
|
Building stoppings in mines with large openings |
1 |
|
I 28.27:8689
|
Basic estimated capital investment and operating costs for underground bituminous coal mines : mines with annual production of 1.03 to 3.09 million tons from a 48-inch coalbed : revision of Information circular 8641 |
1 |
|
I 28.27:8692
|
Geothermal energy: economic potential of three sites in Alaska |
1 |
|
I 28.27:8694
|
Mine power distribution : proceedings, Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., March 19, 1975 |
1 |
|
I 28.27:8696
|
A Fortran routine reorganizer |
1 |
|
I 28.27:8697
|
Construction-mineral aggregate availability in the Baltimore, Md., metropolitan area |
1 |
|
I 28.27:8698
|
Energy consumption in domestic primary copper production |
1 |
|
I 28.27:8699
|
Economic evaluation of a process for ferric chloride leaching of chalcopyrite concentrate |
1 |
|
I 28.27:8700
|
Uranium from the Chattanooga shale : some problems involved in development |
1 |
|
I 28.27:8701
|
Sulfur dioxide emission control in Japanese copper smelters |
1 |
|
I 28.27:8707
|
The state of the U.S. coal industry : a financial analysis of selected coal-producing companies with observations on industry structure |
1 |
|
I 28.27:8708
|
Helium resources of the United States, 1973 |
1 |