http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Evaluation of the use of remote-sensing data to identify crop types and estimate irrigated acreage, Uvalde and Medina Counties, Texas, 1989
iv, 21 pages : illustrations, maps ; 28 cm.
by Lee H. Raymond, Gregory M. Nalley, and Paul L. Rettman ; prepared in cooperation with the Edwards Underground Water District.
Includes bibliographical references (page 21).
Water-resources investigations report ; 92-4117