1. Evaluation of planning alternatives for maintaining desirable dissolved-oxygen concentrations in Willamette River, Oregon Author/Creator: Rickert, David A., 1940- author Publication/Creation: [Reston, Va.?] : United States Department of the Interior, Geological Survey, 1980 Resource Type: Book Access & Availability: Loading
2. Algal conditions and the potential for future algal problems in the Willamette River, Oregon Author/Creator: Rickert, David A., 1940- author Publication/Creation: [Reston, Virginia] : United States Department of the Interior, Geological Survey, 1977 Resource Type: Book Access & Availability: Loading
3. Project development and data programs for assessing the quality of the Willamette River, Oregon Author/Creator: Rickert, David A., 1940- author Publication/Creation: [Reston, Virginia] : United States Department of the Interior, Geological Survey, 1976 Resource Type: Book Access & Availability: Loading
4. Methodology for river-quality assessment with application to the Willamette River Basin, Oregon Author/Creator: Rickert, David A., 1940- author Publication/Creation: [Reston, Virginia ] : United States Department of the Interior, Geological Survey, 1976 Resource Type: Book Access & Availability: Loading
5. A synoptic survey of trace metals in bottom sediments of the Willamette River, Oregon Author/Creator: Rickert, David A., 1940- author Publication/Creation: [Reston, Virginia] : United States Department of the Interior, Geological Survey, 1977 Resource Type: Book Access & Availability: Loading
6. A practical framework for river-quality assessment Author/Creator: Rickert, David A., 1940- author Publication/Creation: [Reston, Virginia] : United States Department of the Interior, Geological Survey, 1975 Resource Type: Book Access & Availability: Loading
7. Real-estate lakes Author/Creator: Rickert, David A., 1940- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1971 Resource Type: Book Access & Availability: Loading