http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (x, 192 pages) : illustrations (some color), color map.
Marty K. Bradley and Christopher K. Droney.
Title from title screen (viewed on Oct. 24, 2011).
Contractor report ; Oct. 2008-Mar. 2010.
Includes bibliographical references (page 192).
Sponsored by National Aeronautics and Space Administration NNL08AA16B NNL08AD01T 561581.02.08.07.13.03