http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hetch Hetchy Reservoir quadrangle, Yosemite National Park, California -- analytic data
1 online resource (iii, B15 pages) : illustrations, maps.
"Chemical, spectrographic, modal analyses and potassium-argon age determinations on granitic rocks supplement Geologic Quadrangle Map GQ-1112."
Includes bibliographical references (page B2).
Geological Survey professional paper ; 774-B
Shorter contributions to general geology