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3/5/2012 1:28 PM 988651 Scanning and Georeferencing Historical USGS Quadrangles fs20113009_sept2011.pdf
3/5/2012 1:40 PM 799190 Standards for Scanned USGS Historical Topographic Quadrangle Collection 2011 TM11-B3.pdf
3/6/2012 1:18 PM 16896 Thumbs.db
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