USGS Open-file Report 04-1302
Version 1.0
Figure 1. Blackwater National Wildlife Refuge area (Landsat 7 image: Bands 3, 4, 5 RGB; 24 March 2000). Note: Current wetlands are identified by their grey color.
U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/2004/1302/figure1.html
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Last modified: 10:41:59 Wed 18 Aug 2004
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