http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Late Cenozoic sediments, molluscan faunas, and clay minerals in northeastern New Mexico
by John C. Frye, A. Byron Leonard, and H. D. Glass.
Circular (New Mexico. Bureau of Mines and Mineral Resources) ; no. 160