TY  - RPRT
TI  - Groundwater quality, age, and susceptibility and vulnerability to nitrate contamination with linkages to land use and groundwater flow, Upper Black Squirrel Creek Basin, Colorado, 2013
AU  - Tristan P. Wellman
AU  - Michael G. Rupert
PY  - 2016
DO  - 10.3133/sir20165020
UR  - https://pubs.usgs.gov/publication/sir20165020
ID  - sir20165020
ER  -