Bi-State Program, Section 1.1 Compilation of Existing Data. Task 1c, Vol. 1

Tetra Tech. May 13, 1992. Reconnaissance survey of the lower Columbia River. Task 1: Summary of existing data and preliminary identification of problem areas and data gaps (2 volumes). Volume I: Final report. Prepared for Lower Columbia River Bi-State Program. Tetra Tech, Inc., Redmond, WA. 194 pp. (TC 8526-01).