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  - 1985
DO  - 10.3133/ofr85574
UR  - https://pubs.usgs.gov/publication/ofr85574
ID  - ofr85574
ER  -