This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1912 Excerpt: ... Flake Graphite Company, the Acme Graphite Company and Pettinos Bros. The Sterling Graphite Company was succeeded by the Eock Graphite Mining and Manufacturing Company. During 1911 there was little activity in the graphite industry in Pennsylvania and part of the time no mines have been in operation. The American Flake ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1912 Excerpt: ... Flake Graphite Company, the Acme Graphite Company and Pettinos Bros. The Sterling Graphite Company was succeeded by the Eock Graphite Mining and Manufacturing Company. During 1911 there was little activity in the graphite industry in Pennsylvania and part of the time no mines have been in operation. The American Flake Graphite Company operated in the early months of the year while the only other operating companies were Pettinos Bros, and the Eynon-Just Company which began working the property formerly belonging to the Imperial Graphite Company near Coventryville. CHAPTER IX. GEOLOGY. LOCATION OF DEPOSITS. The graphite deposits of Pennsylvania are limited to the greatly metamorphosed pre-Cambrian and early Paleozoic rocks forming the Piedmont Plateau of the southeastern corner of the State. Graphite has been mined in the four counties of Chester, Berks, Bucks and Lehigh and is present as an occasional mineral in several other counties. The most important districts lie in the valley of Pickering and French creeks, Chester county forming part of the Phoenixville quadrangle of the TJ. S. Geological Survey. In Pickering Valley, graphite has been mined in many places between Kimberton and Byers, a distance of about 8 miles and for many years that region has been the center of the graphite industry of the State. The second locality in Chester county is in the vicinity of Pughtown in the valley of French Creek where some of the earliest mining was first done and where, at present, one mine is in active operation. Berks county is of secondary importance. Several mines and many prospects have been worked in the eastern portion of the county, all of which are included in the Boyertown quadrangle of the U. 6', Geological Survey. At the present time no mines are in op...
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Add this copy of Graphite Deposits of Pennsylvania to cart. $35.79, new condition, Sold by Media Smart rated 4.0 out of 5 stars, ships from Hawthorne, CA, UNITED STATES, published 2018 by Sagwan Press.
Add this copy of Graphite Deposits of Pennsylvania to cart. $38.96, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2018 by Sagwan Press.
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