Umatilla schoolchildren created this April, 1999 McNary Dam display. Since the advent of fishwheels, gillnets, and dams, annual runs of Snake River Chinook have dwindled from 1.5 million fish in the late 1800s to 125,000 in the 1950s, to only 2 in 1989. Photos by Donna Sinclair
Promoting the study of Columbia River Basin history