http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Stratigraphy of the Lower and Middle(?) Triassic Union Wash Formation, east-central California
1 online resource (iii, 26 pages) : illustrations, maps.
by Paul Stone, Calvin H. Stevens, and Michael J. Orchard.
Title from title screen (viewed Aug. 20, 2014).