http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geologic map of the Butler quadrangle, Pendleton and Campbell counties, Kentucky
Butler quadrangle, Kentucky, geologic map
Relief shown by contours and spot heights.
"Prepared in cooperation with the Commonwealth of Kentucky, University of Kentucky, Kentucky Geological Survey."
Includes text, stratigraphic column and bibliographical references.