TY  - RPRT
TI  - National Water-Quality Assessment Program - South-Central Texas
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1994
DO  - 10.3133/fs04894
UR  - https://pubs.usgs.gov/publication/fs04894
ID  - fs04894
ER  -