TY  - RPRT
TI  - Water-quality data-collection activities in Colorado and Ohio; Phase I-inventory and evaluation of 1984 programs and costs
AU  - Janet Hren
AU  - Thomas H. Chaney
AU  - J. Michael Norris
AU  - Carolyn J. Oblinger Childress
PY  - 1987
DO  - 10.3133/wsp2295a
UR  - https://pubs.usgs.gov/publication/wsp2295A
ID  - wsp2295A
ER  -