71 | Add to Reading ListSource URL: www.iowadot.govLanguage: English - Date: 2009-06-25 15:57:08
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72 | Add to Reading ListSource URL: www.gao.govLanguage: English - Date: 2009-04-30 18:08:36
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73 | Add to Reading ListSource URL: www.gao.govLanguage: English - Date: 2012-07-23 14:44:38
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74 | Add to Reading ListSource URL: www.iowadot.govLanguage: English - Date: 2009-05-15 15:14:17
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75 | Add to Reading ListSource URL: www.iowadot.govLanguage: English - Date: 2009-05-15 15:14:17
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76 | Add to Reading ListSource URL: www.gao.govLanguage: English - Date: 2011-06-29 15:28:33
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77 | Add to Reading ListSource URL: www.gao.govLanguage: English - Date: 2011-06-29 15:29:44
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78 | Add to Reading ListSource URL: www.gao.govLanguage: English - Date: 2012-11-13 13:25:16
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79 | Add to Reading ListSource URL: www.intrans.iastate.eduLanguage: English - Date: 2010-12-16 11:25:14
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80 | Add to Reading ListSource URL: www.iowadot.govLanguage: English - Date: 2009-08-24 13:57:40
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