Title: Ohio River main stem : assessment of 1975 and future water quality conditions : prepared by Ohio River Valley Water Sanitation Commission for Illinois, Indiana Kentucky, Ohio, Pennsylvania, West Virginia : for inclusion in 1975 State Water Quality Reports to the Administrator, U. S. EPA.
Authors: Ohio River Valley Water Sanitation Commission.
Publisher: ORSANCO,
Year: 1976
Subjects: Water quality Ohio River Watershed Measurement.