http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Subsurface geologic structure map of Wertz Dome, Sweetwater & Carbon Counties, Wyoming
Relief shown by contours and spot heights.
"Northwestern number 549-3, Casper, Wyoming."
Open-file report (Geological Survey (U.S.)) ; 44-44