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USA | |
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| Mineralogical Rearch Company. |
| Ed Richardson collection |
| Marc V. Hurst, P.G. (2010) Central Florida's Sand Mining District. Guidebook for Field Trip of September 13, 2010. AIPG 47th Annual Meeting & Conference |
| Matthew Pasek & Kristin Block (2009) Lightning-induced reduction of phosphorus oxidation state. Nature Geoscience 2:553-556 |
| Marc V. Hurst, P.G. (2010) Central Florida's Sand Mining District. Guidebook for Field Trip of September 13, 2010. AIPG 47th Annual Meeting & Conference |
| Marc V. Hurst, P.G. (2010) Central Florida's Sand Mining District. Guidebook for Field Trip of September 13, 2010. AIPG 47th Annual Meeting & Conference |
| Marc V. Hurst, P.G. (2010) Central Florida's Sand Mining District. Guidebook for Field Trip of September 13, 2010. AIPG 47th Annual Meeting & Conference |
| Patricia Berry Barker collection, no. 1610. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| John Burnham collection |
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| Rocks & Min: Nov, 1945. |
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| California Geology, Nov. 1986. |
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| Lunar and Planetary Science XXXVII (2006) LIGHTNING STRIKE GLASSES AS AN ANALOG FOR IMPACT GLASSES: 57Fe MÖSSBAUER SPECTROSCOPY OF FULGURITES. |
Placer County, California, USA