Download or read book Open pit Copper Mining Methods at New Cornelia Branch Phelps Dodge Corp Pima County Ariz written by William R. Hardwick and published by . This book was released on 1960 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Open Pit Copper Mining Methods at New Cornelia Branch Phelps Dodge Corp Pima County Ariz written by William R. Hardwick and published by . This book was released on 1960 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Open Pit Copper Mining Methods at New Cornelia Branch Phelps Dodge Corp Pima County Ariz written by William R. Hardwick and published by . This book was released on 1960 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Open pit Copper Mining Methods Morenci Branch Phelps Dodge Corp Greenlee County Ariz written by W. R. Hardwick and published by . This book was released on 1959 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mining Concentration and Smelting at the New Cornelia Branch of the Phelps Dodge Corporation Ajo Arizona written by Phelps Dodge Corporation. New Cornelia Branch and published by . This book was released on 1962* with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mining Methods and Costs at the New Cornelia Branch Phelps Dodge Corporation Ajo Ariz written by George R. Ingham and published by . This book was released on 1932 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Open pit Copper Mining Methods Morenci Branch Phelps Dodge Corp Greenlee County Ariz written by William R. Hardwick and published by . This book was released on 1959 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Open pit Copper Mining and Concentrating Methods and Costs Silver Bell Unit American Smelting and Refining Co Pima County Ariz written by William R. Hardwick and published by . This book was released on 1963 with total page 82 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 1925 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Study of Selected Rock Excavations as Related to Large Nuclear Craters written by and published by . This book was released on 1967 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analogies between nuclear and conventional excavations are developed from a tabulation of data from 153 mine, quarry, roadway, and dam excavations. The following factors were used as the basis for tabulation of conventional excavation data: purpose, location, precipitation, temperature, ground water level, lithology, mass strength, structural pattern, slope plan, slope profile, depth of excavation, slope height, average inclination, and stability. It was found that average slope inclination tends to be greatest for hard material and for material lacking a well-developed structure, and that inclination tends to de- crease with increasing slope height for excavated slopes reported to be stable. The authors conclude that good analogies are to be found in shape, slope height, depth of excavation, and slope inclination. Loadings of waste material at the rim of some open pit mines may be analogous to ejecta on the lips of nuclear craters. Rubble zones found in some open pit mines may be analogous to the fallback zones of nuclear craters. Differences between preshot and postshot characteristics of cratered media must be appreciated in evaluating analogies between features of conventional excavations and preshot features of nuclear excavation sites. Brief descriptions of 21 selected excavations are presented in Appendix A. The results of this study serve as an aid to judgment of nuclear crater slope stability. Potential subjects for further study are identified.
Download or read book List of Publications Issued by the Bureau of Mines from July 1 1910 to January 1 1960 written by United States. Bureau of Mines and published by . This book was released on 1960 with total page 838 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Minerals Yearbook written by United States. Bureau of Mines and published by . This book was released on 1985 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalog of Books and Reports in the Bureau of Mines Technical Library Pittsburgh Pa written by United States. Bureau of Mines. Technical Library, Pittsburgh and published by . This book was released on 1968 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bulletin Arizona Bureau of Mines written by University of Arizona. State Bureau of Mines and published by . This book was released on 1972 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book List of Publications Bureau of Mines written by United States. Bureau of Mines and published by . This book was released on 1960 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book List of Publications Issued by the Bureau of Mines with Subject and Author Index written by United States. Bureau of Mines and published by . This book was released on 1960 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book List of Bureau of Mines Publications and Articles with Subject and Author Index written by United States. Bureau of Mines and published by . This book was released on 1960 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
