http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geology of the Barrilla Mountains, Texas
"Reprinted from Bulletin of the Geological Society of America, volume 62, number 4, April 1951."
Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ; no. 8