TY  - RPRT
TI  - Comparative study of ground-water quality, 1976 and 1996, and initial gain-and-loss assessment of Boulder Creek, Boulder County, Colorado
AU  - B. W. Bruce
AU  - Christopher O’Riley
PY  - 1997
DO  - 10.3133/wri974091
UR  - https://pubs.usgs.gov/publication/wri974091
ID  - wri974091
ER  -