|
I 28.27:8717
|
Analyses of natural gases, 1975 |
1 |
|
I 28.27:8718
|
Reclaiming strip-mined land for recreational use in Lackawanna County, Pa. a demonstration project |
1 |
|
I 28.27:8719
|
Projects to expand fuel sources in Western States |
1 |
|
I 28.27:8721
|
Refractory lining materials for coal gasifiers : a literature review of reactions involving high-temperature gas and alkali metal vapors |
1 |
|
I 28.27:8722
|
Fuels and energy data : United States by states and census divisions, 1973 |
1 |
|
I 28.27:8723
|
Roof-fall resupport accidents : a study |
1 |
|
I 28.27:8724
|
Geothermal well drilling fluid technology : a literature survey |
1 |
|
I 28.27:8725
|
Projects to expand fuel sources in Eastern States |
1 |
|
I 28.27:8726
|
Mine inspection records study |
1 |
|
I 28.27:8727
|
Nonclogging water spray system for continuous-mining machines : installation and operating guidelines |
1 |
|
I 28.27:8728
|
Respirable dust survey of an underground oil shale mine and associated milling facility |
1 |
|
I 28.27:8729
|
The Bureau of Mines test program for clay and ceramic raw materials |
1 |
|
I 28.27:8730
|
Advancing coal mining technology research, development, and demonstration in fiscal year 1977 |
1 |
|
I 28.27:8731
|
GDIST: a computer code for analysis of statistical distributions of physical data |
1 |
|
I 28.27:8733
|
Methane emission from U.S. coal mines in 1975 : a survey : a supplement to Information circulars 8558 and 8659 |
1 |
|
I 28.27:8739
|
Fuels and energy data : United States by states and census diviosions, 1974 |
1 |
|
I 28.27:8741
|
Results of research to develop guidelines for mining near surface and underground bodies of water |
1 |
|
I 28.27:8742
|
Underground mine communications |
1 |
|
I 28.27:8746
|
Safety recommendations for ammonium nitrate-based blasting agents |
1 |
|
I 28.27:8747
|
Moving longwall shield supports at the York Canyon mine, Raton, N. Mex |
1 |