Osoyoos Lake looking north from the border

Outlet of Osoyoos Lake
in the 1970's -
before dredging

Zosel Dam - about 1970

Zosel Dam - 1970's

Zosel Dam - 1970's

High water at old Zosel Dam

Area of 1974 failure

Area of 1975 failure

Old dam - almost gone

Dam constructions 1985

New dam - 1986

Control structure

Overflow section

Zosel Dam Outlet - looking north

Mouth of Tonasket Cr. - looking south to Zosel Dam

Ray Smith, Chief, Spokane Field Office, USGS, at Okanogan R. nr Oroville gaging station