Download or read book Roof Rock Structures and Related Roof Support Problems in the Pittsburgh Coalbeds of Southwestern Pennsylvania written by Noel N. Moebs and published by . This book was released on 1977 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report of Investigations written by and published by . This book was released on 1992 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geology methane content and reserves of the upper Freeport coalbed in Fayette County Pa written by Peter F. Steidl and published by . This book was released on 1977 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Water Jet Perforation written by Benjamin W. Haynes and published by . This book was released on 1981 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Benefication of Western Mesabi Range Oxidized Taconites written by B. W. Jong and published by . This book was released on 1980 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1977 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Download or read book The Geologic Character of Some Coal Wants at the Westland Mine in Southwestern Pennsylvania written by Noel N. Moebs and published by . This book was released on 1981 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Information Circular written by and published by . This book was released on with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalogue United States Public Documents written by and published by . This book was released on 1977-07 with total page 1424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Placer Gold Sampling in and Near the Chugach National Forest Alaska written by Robert B. Hoekzema and published by . This book was released on 1986 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bureau of Mines Research written by United States. Bureau of Mines and published by . This book was released on 1986 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book New Publications written by United States. Bureau of Mines and published by . This book was released on 1977 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of Additives on Sintering of Silicon Nitride alumina aluminum Nitride Compositions written by B. W. Jong and published by . This book was released on 1981 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fossil Energy Update written by and published by . This book was released on 1977 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effects of Horizontal Stress Related to Stream Valleys on the Stability of Coal Mine Openings written by and published by . This book was released on 1992 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geologic Factors in Predicting Coal Mine Roof rock Stability in the Upper Kittanning Coalbed Somerset County Pa written by and published by . This book was released on 1981 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
