291![18 ALUMINUM1 18 ALUMINUM1](https://www.pdfsearch.io/img/9f191e24867fa059a571fb31c96cfaba.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-01-16 14:45:10
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292![](https://www.pdfsearch.io/img/8c170d3ce69a1eb42e219b692b5138a1.jpg) | Add to Reading ListSource URL: www.uni-mannheim.deLanguage: English - Date: 2006-09-07 09:37:32
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293![](https://www.pdfsearch.io/img/14c438d5a9f48fc7bc331f15a2a3aec6.jpg) | Add to Reading ListSource URL: www.alcres.comLanguage: English - Date: 2012-05-20 06:08:19
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294![](https://www.pdfsearch.io/img/dde284b231fb815e99f4db19109cc16c.jpg) | Add to Reading ListSource URL: epa.govLanguage: English - Date: 2013-09-09 14:00:32
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295![](https://www.pdfsearch.io/img/174e2bacbb6556aa7ef3e85e4864e22a.jpg) | Add to Reading ListSource URL: phinix.netLanguage: English - Date: 2011-10-11 15:26:56
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296![](https://www.pdfsearch.io/img/0e76ee7052248da35ca4d8b1dbbea747.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-01-24 11:41:42
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297![](https://www.pdfsearch.io/img/c7c3a2b16bdb949d65123a0a9ad9cc29.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2009-01-29 14:11:25
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298![](https://www.pdfsearch.io/img/86a2a3124ea904af15d471c161a61805.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2008-01-31 14:22:02
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299![](https://www.pdfsearch.io/img/f7b8f9d33958499319a7daf3912292f3.jpg) | Add to Reading ListSource URL: asiapacificpartnership.orgLanguage: English - Date: 2009-01-06 17:25:10
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