http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Map showing bedrock topography of parts of the West Franklin, Caborn, and Mount Vernon quadrangles, Henderson and Union Counties, Kentucky
by Ronald L. Norris ; Department of the Interior, United States Geological Survey ; prepared in cooperation with the Commonwealth of Kentucky, University of Kentucky, Kentucky Geological Survey.
Miscellaneous investigations series (Geological Survey (U.S.)) ; I-864