http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geology of the southern Guadalupe Mountains, Texas
1 online resource (vi, 183 pages) : illustrations, maps + 13 plates.
Includes bibliographical references (pages 174-179) and index.
Professional paper (Geological Survey (U.S.)) ; no. 215