Download or read book Investigation of Perkiomen Creek Copper Deposits Montgomery County Pa written by Kenneth M. Earl and published by . This book was released on 1950 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: In its investigation of deposits of strategic minerals, the Bureau of Mines did some development drilling at the Perkiomen Creek deposits, 5 miles east of Phoenixville, Pa. This area wa the center of much copper mining from 1851 to 1858. The most productive vein was the Perkiomen-Ecton mines, owned by the Perkiomen Consolidated Mining Co. The mines were closed in 1858, and no further production has been recorded.
Download or read book Investigation of Simon Coles Manganese Deposit Bedford County Pa written by W. H. Kerns and published by . This book was released on 1950 with total page 266 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 1950 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report of Investigations no 2002 to No 7380 written by and published by . This book was released on 1950 with total page 728 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 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 1949 with total page 222 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 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:
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 Synthetic Liquid Fuels written by and published by . This book was released on 1950 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book United States Government Publications Monthly Catalog written by and published by . This book was released on 1950 with total page 1596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book United States Government Publications Monthly Catalog written by United States. Superintendent of Documents and published by . This book was released on 1950 with total page 1774 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 Annotated Bibliography of Studies on the Geology Geochemistry Mineral Resources and Geophysical Character of the Early Mesozoic Basins of the Eastern United States 1880 1984 written by Jacob Margolis and published by . This book was released on 1986 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: An annotated bibliography covering early Mesozoic geology of Massachusetts, Connecticut, New Jersey, Pennsylvania, Virginia, Maryland, North Carolina, and other Eastern States. Bibliography is indexed by author, topic, and geographic area.
Download or read book Minerals Yearbook written by and published by . This book was released on 1953 with total page 1888 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U S Geological Survey Bulletin written by and published by . This book was released on 1983 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U S Geological Survey Bulletin written by Richard A. Sheppard and published by . This book was released on 1983 with total page 482 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 1965 with total page 1066 pages. Available in PDF, EPUB and Kindle. Book excerpt:
