http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
comparison of paleozoic sections in southern New Mexico
1 online resource (41 unnumbered page) : illustrations, map.
Title from title screen (viewed September 17, 2014).
Professional paper (Geological Survey (U.S.)) ; no. 108-C
Shorter contributions to general geology ; 1917