Evaluation of planning alternatives for maintaining desirable dissolved-oxygen concentrations in Willamette River, Oregon /

Published 1980

Algal conditions and the potential for future algal problems in the Willamette River, Oregon /

A synoptic survey of trace metals in bottom sediments of the Willamette River, Oregon /

Project development and data programs for assessing the quality of the Willamette River, Oregon /

by Rickert, David A., 1940-

Methodology for river-quality assessment with application to the Willamette River Basin, Oregon /

by Rickert, David A., 1940-

Hydrologic analysis and river-quality data programs /

by Hines, Walter G., Rickert, David A., 1940-, McKenzie, Stuart W.