http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Soil handbook for soil survey of the City of San Marcos, Texas
"Developed ... under a cooperative agreement with the City of San Marcos, Comal-Hays-Guadalupe Soil and Water Conservation District [and] Texas Agrictultural Experiment Station."