http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ground-water resources of the Lower Rio Grande Valley area, Texas
Lower Rio Grande Valley Chamber of Commerce
2 volumes : illustrations, maps ; 28 cm.
v. 1. [Without special title].--v. 2. Records of wells, drillers' logs, water levels in wells, and chemical analyses of water.
by Roger C. Baker and O. C. Dale ; prepared in cooperation with the Geological Survey, United States Department of the Interior and the Lower Rio Grande Valley Chamber of Commerce, Inc.
Bulletin (Texas Board of Water Engineers) ; 6014