TY  - RPRT
TI  - Water-quality data-collection activities in Colorado and Ohio: Phase II- evaluation of 1984 field and laboratory quality-assurance practices
AU  - Carolyn J. Oblinger Childress
AU  - Thomas H. Chaney
AU  - Donna A. Myers
AU  - J. Michael Norris
AU  - Janet Hren
PY  - 1989
DO  - 10.3133/wsp2295b
UR  - https://pubs.usgs.gov/publication/wsp2295B
ID  - wsp2295B
ER  -