http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Records of water-level measurements in Lubbock County, Texas, 1936-1953
compiled by C. R. Follett ; prepared in cooperation with the Geological Survey, United States Department of the Interior.
Bulletin (Texas Board of Water Engineers) ; 5303