http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geohydrologic units of the Mississippi embayment and Texas coastal uplands aquifer systems, South-Central United States
1 portfolio (vi, 19 pages, 19 unnumbered folded leaves of plates) : illustrations, maps (some color) ; 30 cm.
Includes bibliographical references (page 19).
U.S. Geological Survey professional paper ; 1416-B
Regional aquifer-system analysis--Gulf coastal plain