LITERATURE REVIEW, BIBLIOGRAPHIC LISTING, AND ORGANIZATION OF SELECTED REFERENCES RELATIVE TO PACIFIC SALMON (ONCORHYNCHUS SPP.) AND ABIOTIC AND BIOTIC ATTRIBUTES OF THE COLUMBIA RIVER ESTUARY AND ADJACENT MARINE AND RIVERINE ENVIRONS FOR VARIOUS HISTORICAL PERIODS: MEASURE 7.1A OF THE NORTHWEST POWER PLANNING COUNCIL'S 1994 FISH AND WILDLIFE PROGRAM. REPORT 4 OF 4 FINAL REPORT