Topographic map of the western region of Dao Vallis in Hellas Planitia, Mars, MTM 500k -40/082E OMKT / by Mark R. Rosiek, Bonnie L. Redding, and Donna M. Galuszka ; U.S. Department of the Interior, U.S. Geological Survey
System requirements: PC with Internet access and Adobe Acrobat Reader 7.0 or better. Mode of access: Internet from the USGS web site. Address as of 12/20/06: http://pubs.usgs.gov/sim/2006/2926/sim2926.pdf; current access via PURL.
Shows both planetocentric and planetographic coordinates in Transverse Mercator projection. Relief shown by shading. Title from HTML index page (viewed on Oct. 10, 2006). "Prepared for the National Aeronautics and Space Administration ... compiled photogrammetrically from Viking Orbiter stereo image pairs." Includes text and 2 location maps.