TY  - RPRT
TI  - A workbook for preparing surface water quality-assurance plans for districts of the U.S. Geological Survey, Water Resources Division
AU  - Donald V. Arvin
PY  - 1995
DO  - 10.3133/ofr94382
UR  - https://pubs.usgs.gov/publication/ofr94382
ID  - ofr94382
ER  -