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USA | |
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| Ref. Mineral Collecting in Pennsylvania
Lapham, Geyer, 1965 pgs. 29-30 |
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| Byron F. King (1932) American Mineralogist, 17, #10, 485-490. |
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| Gems and Minerals of America- Jay Ellis Ransom-1974 |
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| Byron F. King (1932) American Mineralogist, 17, #10, 485-490. |
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| Gordon, 1922. Mineralogy of Pennsylvania |
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| Samuel G. Gordon (1922) "Mineralogy of Pennsylvania" p. 155. |
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| Pennsylvania Geological Survey (1984, October) Pennsylvania Geology Vol. 15 (5) p2-4 |
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| Smith, R. C. II (1977) Zinc and lead occurrences in Pennsylvania. Mineral Resource Report M72. Pennsylvania Geological Survey |
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| Smith, R. C. II (1977) Zinc and lead occurrences in Pennsylvania. Mineral Resource Report M72. Pennsylvania Geological Survey |
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| King, Vandall T., Robinson, George W. (1988) What's New in Minerals? - Fifteenth Annual Rochester Academy of Science Mineralogical Symposium. The Mineralogical Record, 19 (5) 331-338 |
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| King, Van (n.d.) Personal communcation. |
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| Smith, II, R. C. (1977) |
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| Smith II, R.C. (1978) The Mineralogy of Pennsylvania 1966-1975. Special Publication No. 1, Friends of Mineralogy Pennsylvania Chapter. |
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| U.S. Geological Survey/ U.s. Department of the Interior |
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| Sloto, Ronald A. (1989) Famous Mineral Localities: The Phoenixville Lead-Silver Mines, Chester County, Pennsylvania. The Mineralogical Record, 20 (5) 369-386 |
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| Rocks & Min.:9:21. |
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| Heyl, A.V. (1984), Appendix in Evans, F.H., Highlights on the Life of Charles M. Wheatley: Mineralogical Society of Pennsylvania, 35-41. |
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| Steve Stuart collection- ex Joe Vardy Collection |
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| Sloto, R.A. (1989). Famous mineral localities: The Phoenixville, Lead silver mines, Chester County, Pennsylvania. The Mineralogical Record, 20(5), 369-386. |
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| Bauer, Sophia, Jonathan Yang, Mengling Stuckman, and Circe Verba. (2022) "Rare Earth Element (REE) and Critical Mineral Fractions of Central Appalachian Coal-Related Strata Determined by 7-Step Sequential Extraction" Minerals 12, no. 11: 1350. https://doi.org/10.3390/min12111350 |
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| Dague, J.A. (2003) Mudstones and Minerals: Friends of Mineralogy Pennsylvania Chapter Newsletter: 31 (3): 2-5. |
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| Gordon, 1922. Mineralogy of Pennsylvania
Mineral Collecting in Pennsylvania (General Geology Report 33)1976
Alan R. Geyer, Robert C.Smith II, & John H.Barnes
Pgs. 117-118. |
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| Byron F. King (1932) American Mineralogist, 17, #10, 485-490. |
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| Am Min 35:43-50 |
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| www.delminsociety.net/fieldtrips/burkholder.htm |
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| www.delminsociety.net (n.d.) http://www.delminsociety.net/kurtz.htm |
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| Bill Dameron collection |
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| J. Wingard, Personal Observation 3-27-04 |
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| Byron F. King (1932) American Mineralogist, 17, #10, 485-490. |
- Cornwall Borough (Cornwall)
| Kearns, L.E. & Kearns, C.A. (2008) Mineral News, 24, #1, 8-9. |
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| Rocks & Min.: 13: 304-305. |
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| Smith, R. C. II, Hoff, D. T. (1984) Geology and mineralogy of copper-uranium occurrences in the Picture Rocks and Sonestown quadrangles, Lycoming and Sullivan Counties, Pennsylvania. Mineral Resource Report M80. Pennsylvania Geological Survey |
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| Smith, R. C. II (1977) Zinc and lead occurrences in Pennsylvania. Mineral Resource Report M72. Pennsylvania Geological Survey |
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| Smith, II, R. C. and D. T. Hoff (1984) |
- Lower Pottsgrove Township
| Robert C. Smit, II Ph.D, P.G. |
- Lower Providence Township
| Sloto, R.A. (1989). Famous mineral localities: The Phoenixville, Lead silver mines, Chester County, Pennsylvania. The Mineralogical Record, 20(5), 369-386.
Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.) |
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| Boucot, Arthur James (1949) Notes on the Ecton Mine, Montgomery County, Pennsylvania. Rocks & Minerals, 24(9-10), 492-495.
Rocks & Min.: 21:17, 140. |
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| Smith, R. C. II (1977) Zinc and lead occurrences in Pennsylvania. Mineral Resource Report M72. Pennsylvania Geological Survey |
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| Sloto, Ronald A. (2019) The Mines and Minerals of Montgomery County, Pennsylvania (analyzed by author, SEM-EDS) As white blades associated with stilbite-stellerite. |
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| Sloto, Ronald (2019) The Mines and Minerals of Montgomery County, Pennsylvania: 175. |
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| Dana 6:1069. |
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| Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania |
- C.K. Williams Quarry complex
| Rocks & Min.: 17:344. |
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| Geyer, Smith & Barnes 1976. Mineral Collecting in Pennsylvania pg. 208-9 |
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| www.jonesgeo.com (2011) http://www.jonesgeo.com/codorus.htm |
Binkley-Ober Quarry, East Hempfield Township, Lancaster County, Pennsylvania, USA