TY  - RPRT
TI  - A quality-assurance plan for district ground-water activities of the U.S. Geological Survey
AU  - J.O. Brunett
AU  - N. L. Barber
AU  - A.W. Burns
AU  - R. P. Fogelman
AU  - D. C. Gillies
AU  - R.A. Lidwin
AU  - Thomas J. Mack
PY  - 1997
DO  - 10.3133/ofr9711
UR  - https://pubs.usgs.gov/publication/ofr9711
ID  - ofr9711
ER  -