http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Chemical evolution and estimated flow velocity of water in the Trinity aquifer, south-central Texas
iv, 22 pages : illustrations, maps ; 28 cm.
by S.A. Jones, Roger W. Lee, and John F. Busby.
Includes bibliographical references (pages 21-22).
Water-resources investigations report ; 97-4078