TY  - RPRT
TI  - Concentrations of selected constituents in surface-water and streambed-sediment samples collected from streams in and near an area of oil and natural-gas development, south-central Texas, 2011-13
AU  - Stephen P. Opsahl
AU  - Cassi L. Crow
PY  - 2014
DO  - 10.3133/ds836
UR  - https://pubs.usgs.gov/publication/ds836
ID  - ds836
ER  -