431 | Add to Reading ListSource URL: www.tw.gov.nl.caLanguage: English - Date: 2010-09-02 12:18:40
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432 | Add to Reading ListSource URL: www.oregon.govLanguage: English - Date: 2013-06-21 11:27:15
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433 | Add to Reading ListSource URL: www.nilex.comLanguage: English - Date: 2010-09-24 14:45:48
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434 | Add to Reading ListSource URL: publications.iowa.govLanguage: English - Date: 2014-07-02 10:21:42
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435 | Add to Reading ListSource URL: publications.iowa.govLanguage: English - Date: 2014-07-07 11:04:00
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436 | Add to Reading ListSource URL: concrete.nist.govLanguage: English - Date: 2010-06-29 09:07:51
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437 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-09-08 14:10:38
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438 | Add to Reading ListSource URL: www.iowadot.govLanguage: English - Date: 2013-09-03 11:14:36
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439 | Add to Reading ListSource URL: www.bca.gov.sgLanguage: English - Date: 2014-11-14 04:07:26
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440 | Add to Reading ListSource URL: publications.iowa.govLanguage: English - Date: 2012-11-12 11:00:00
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