981 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1997-03-10 08:32:02
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982 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-07-01 12:25:45
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983 | Add to Reading ListSource URL: agr.wa.govLanguage: English - Date: 2009-01-29 19:12:57
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984 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-11-15 12:33:59
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985 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-04-04 12:13:04
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986 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1997-03-10 09:17:46
|
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987 | Add to Reading ListSource URL: www.dep.state.fl.usLanguage: English - Date: 2013-04-03 10:40:16
|
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988 | Add to Reading ListSource URL: www.pyrogenesis.comLanguage: English - Date: 2014-02-11 23:39:07
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989 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1998-10-13 08:23:08
|
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990 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-04-04 12:13:12
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