TY  - RPRT
TI  - Water quality, sources of nitrate, and chemical loadings in the Geronimo Creek and Plum Creek watersheds, south-central Texas, April 2015–March 2016
AU  - Rebecca B. Lambert
AU  - Stephen P. Opsahl
AU  - MaryLynn Musgrove
PY  - 2017
DO  - 10.3133/sir20175121
UR  - https://pubs.usgs.gov/publication/sir20175121
ID  - sir20175121
ER  -