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| Van Gosen, Bradley S. (2005) Reported historic asbestos mines, historic asbestos prospects, and natural asbestos occurrences in the eastern United States. USGS Open-File Report 2005-1189. |
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| Van Gosen, Bradley S. (2005) Reported historic asbestos mines, historic asbestos prospects, and natural asbestos occurrences in the eastern United States. USGS Open-File Report 2005-1189. |
| Van Gosen, Bradley S. (2005) Reported historic asbestos mines, historic asbestos prospects, and natural asbestos occurrences in the eastern United States. USGS Open-File Report 2005-1189. |