http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Water and rock geochemistry, geologic cross sections, geochemical modeling, and groundwater flow modeling for identifying the source of groundwater to Montezuma Well, a natural spring in central Arizona
1 online resource (x, 62 pages) : illustrations, maps.
by Raymond H. Johnson [and four others].
"In cooperation with the National Park Service."
Includes bibliographical references (pages 11-13).
U.S. Geological Survey open-file report ; 2011-1063