Specifications for Selected Hydraulic-powered Roof Supports Anthony J. Barry Published: 1969 Total Pages: 752 Get eBook
Ground Control Aspects of Coal Mine Design United States. Bureau of Mines Published: 1974 Total Pages: 148 Get eBook
Safety Aspects of Longwall Mining in the Illinois Coal Basin Ernest A. Curth Published: 1978 Total Pages: 48 Get eBook
Direct Measurement of Longwall Strata Behavior Jeffrey M. Listak Published: 1986 Total Pages: 28 Get eBook
An Infrared Examination of Ion-exchanged Montmorillonite Treated with Polyethylene Oxide Stephen W. Webb Published: 1986 Total Pages: 422 Get eBook
Monthly Catalog of United States Government Publications, Cumulative Index United States. Superintendent of Documents Published: 1970 Total Pages: 1348 Get eBook