http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hydrogeologic aspects of the Knippa Gap area in eastern Uvalde and western Medina Counties, Texas
1 online resource (6 unnumbered pages) : color illustrations, color maps.
prepared in cooperation with the U.S. Army Corps of Engineers.
Title from title screen (viewed on Apr. 15, 2015).
"By Rebecca B. Lambert [and three others]"--page [6]
Includes bibliographical references (page [6]).
Fact sheet (Geological Survey (U.S.)) ; 2014-3045