Saturday, October 18, 2008

DOQQ



DOQQ or digital orthophoto quarter quadrangles maps are aerial photographs used by the USGS to map small sections of a quadrangle.
URL: http://www.crwr.utexas.edu/gis/gishydro00/Class/trmproj/Donnelly/termproject_files/1_Red_DOQQ.jpe

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