http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Chemical composition of Texas surface waters, 1960
102 pages : illustrations, maps ; 28 cm.
by L. S. Hughes and Wanda Shelby ; prepared in cooperation with the U. S. Geological Survey and others.
Bulletin (Texas Water Commission) ; 6215