 | | Report (issue) | | I3fls£®[pS@®Il Sketches ©§ ®foM RSnanaang nan Montgomery ©®monty9 Pennsylvania by F. Harold Evans with Forward and...MINERALOGY, PENNSYLVANIA CHAPTER, INC. / Historical Sketches of Copper and Lead Mining in Montgomery County...County, Pennsylvania by F. Harold Evans with Forward and Appendix by Dr. Allen Van Heyl Special Publication...MINERALOGY, PENNSYLVANIA CHAPTER, INC. - Historical Sketches of Copper and Lead Mining in Montgomery County... Copyright © 1980 by Friends of Mineralogy, Pennsylvania Chapter and F. Harold Evans. All rights reserved |  | | Report (issue) | | LEAD OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL...ZINC AND LEAD OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES...1977 Copyright 1977 by the Commonwealth of Pennsylvania Quotations from this book may be published...published if credit is given to the Pennsylvania Geological Survey COVER ILLUSTRATION: Photograph of 1852 lithograph...lithograph showingthe Ecton, "Whim" and "new" Perkiomen mines(left to right, from the east). Courtesy of |  | | Report (issue) | | DESCRIPTIVE MINERALOGY OF PENNSYLVANIA 104 Na 2Al 2 Si3 Oi .2H 2 O; SiO 2 47.4, A1 2 O 3 26.8, Na...Na 2 O 16.3, Lenni, Delaware County. Crystals. Eyerman, 1911, 11. Composition: Analysis: Fe 2 O3 CaO...Sp.gr LOCALITIES: Berks County: Birdsboro, and Gickerville; Delaware County: Leiperville, Lenni (druses...Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville ; Philadelphia:...cut east of Reading (probably Birdsboro), Berks County. White, Smith, 1910, 540. silky mass of radiating |  | | Report (volume) | | or value. Some minerals, such as the copper ores of Pennsylvania, are included in the list not because...Sanford. Upon Mr. Sanford's transfer to the Bureau of Mines the work was put into the hands of Frank L. Hess...Oregon............Prof. A. J. Collier, Eugene. Pennsylvania.... .Mr. R. R. Hice, Beaver. Prof. Florence...Mawr. Rhode Island.... .Prof. Charles W. Brown, Providence. South Carolina.. .Dr. Earle Sloan, Charleston...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Report (volume) | | ........................................... Pennsylvania...............................................or value. Some minerals, such as the copper ores of Pennsylvania, are included in the list not because... Willis, C. F., and others, Arizona State Bur. Mines Bulls. 1-8, 1915-16. Comstock, T. B., A preliminary...Survey Bull. 126, 1895. Jones, F. A., New Mexico mines and minerals, World's Fair edition, 1904. Genth...and Ehrenfeld, Frederick, Minerals of Pennsylvania: Pennsylvania Top. and Geol. Survey Comm. Kept. No |
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