Water-quality data-collection activities in Colorado and Ohio : Phase III--evaluation of existing data for use in assessing regional water-quality conditions and trends /
Norris, J. Michael.
Geological Survey (U.S.)
[Reston, Va.?] : U.S. Department of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Sales,
1992.
"Chapter C."
Shipping list no.: 92-305-P.
Includes bibliographical references (p. 44-46).
Water quality
Water quality