TY  - RPRT
TI  - Geology and ground-water resources of Comal County, Texas
AU  - William Owsley George
AU  - Seth D. Breeding
AU  - Warren W. Hastings
PY  - 1952
DO  - 10.3133/wsp1138
UR  - https://pubs.usgs.gov/publication/wsp1138
ID  - wsp1138
ER  -