1 | Add to Reading ListSource URL: www.wvgs.wvnet.eduLanguage: English - Date: 2016-05-27 14:45:42
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2 | Add to Reading ListSource URL: www.dcnr.state.pa.usLanguage: English - Date: 2013-10-31 08:53:38
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3 | Add to Reading ListSource URL: www.fs.usda.govLanguage: English - Date: 2011-05-05 15:49:48
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4 | Add to Reading ListSource URL: www.papgrocks.orgLanguage: English - Date: 2012-11-19 15:14:16
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5 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2006-03-01 10:18:31
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6 | Add to Reading ListSource URL: www.bucknell.eduLanguage: English - Date: 2013-06-25 21:14:24
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7 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2006-08-31 16:16:16
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8 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2006-09-01 15:18:27
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9 | Add to Reading ListSource URL: www.searchanddiscovery.netLanguage: English |
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10 | Add to Reading ListSource URL: www.searchanddiscovery.netLanguage: English |
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