http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Aeromagnetic and gravity maps of the central Marysvale volcanic field, southwestern Utah
2 maps on 1 sheet : color ; 51 x 55 cm., sheet 124 x 96 cm. + text (50 pages ; 28 cm.), in envelope 30 x 23 cm.
Map A. Aeromagnetic map -- Map B. Bouguer gravity map.
U.S. Dept. of the Interior, U.S. Geological Survey ; by David L. Campbell [and others].
"Digital cartography by David L. Campbell and Diane E. Lane."
Also available via Internet from the USGS web site (PDF file only). Address as of 5-12-00 http://greenwood.cr.usgs.gov/pub/i-maps/i-2645-b/ ; current access is available via PURL.
Text includes bibliographical references (pages 28-31).
Geologic investigations (Geological Survey (U.S.)) ; map I-2645-B