http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
199 pages : color illustrations ; 26 cm.
photographed by Robert W. Madden ; prepared by the Special Publications Division, National Geographic Society.
This book is given through the estate of M.D. "Bert" Wheeler, College Station, Texas, 1999.
National geographic special publications