131![](https://www.pdfsearch.io/img/aabee6758ccd919edd65347efb9eed16.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-01-29 14:25:00
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132![](https://www.pdfsearch.io/img/1dd5a2d9e56537ef6c88bc1aeba35cba.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-06-06 17:07:22
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133![](https://www.pdfsearch.io/img/c4de334689762ff0ac2c411572c6bfce.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2003-03-25 08:36:26
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134![](https://www.pdfsearch.io/img/73d3daf83b5a525b8eef910305178cb5.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2001-12-11 07:21:15
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135![](https://www.pdfsearch.io/img/956a54a6cb03af78b3504a85b8ee589e.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1999-03-03 07:24:33
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136![](https://www.pdfsearch.io/img/8a9ce635dc938edb5970eca3c3b34f25.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1999-05-26 12:13:47
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