http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hydrogeology of the Edwards Aquifer, northern Balcones and Washita Prairie segments
ii, 91 pages : illustrations, maps ; 32 cm.
Joe C. Yelderman, Jr., coordinator ; contributions by George Allen [and others].
Guidebook (Austin Geological Society) ; 11