591 | Add to Reading ListSource URL: www.ilga.govLanguage: English - Date: 2013-09-06 14:07:06
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592 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2010-05-25 09:58:30
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593 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2012-01-18 12:50:19
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594 | Add to Reading ListSource URL: onlinepubs.trb.orgLanguage: English - Date: 2004-04-29 11:14:45
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595 | Add to Reading ListSource URL: onlinepubs.trb.orgLanguage: English - Date: 2002-09-13 12:26:14
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596 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2012-10-31 16:49:10
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597 | Add to Reading ListSource URL: www.nhi.fhwa.dot.govLanguage: English - Date: 2013-04-04 11:04:28
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598 | Add to Reading ListSource URL: www.fhwa.dot.govLanguage: English - Date: 2009-01-12 12:47:15
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599 | Add to Reading ListSource URL: www.energy.ca.govLanguage: English - Date: 2008-05-27 15:22:27
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600 | Add to Reading ListSource URL: onlinepubs.trb.orgLanguage: English - Date: 2008-11-20 13:28:56
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