KP-2538-R2-Klamath Project - GERBER WATERSHED. View east northeast from Yainax Butte. Upper end of Dry Prairie watershed shows in the lower right portion of the photo; November 25, 1959; Photo by R.G. Pollan

KP-2492- Klamath Project - CLEAR LAKE WATERSHED. Water held behind dam which is located in the upper right-hand corner of the photo; April 9, 1959; Photo by R.G. Pollan

KP-2493-R2- Klamath Project - CLEAR LAKE WATERSHED. Spillway at right; April 9, 1959; Photo by R.G. Pollan

KP-2531-R2-Klamath Project -- CLEAR LAKE WATERSHED. View looking north along dam at "Reservoir F"; November 24, 1959; Photo by R.G. Pollan

KP-2532-R2-Klamath Project -- CLEAR LAKE WATERSHED. View looking south from point of confluence of two sidhill drains at extreme north end of valley. Principal feature is recently excavated drain extending...

KP-2533-R2-Klamath Project -- CLEAR LAKE WATERSHED. View toward southwest along Avanzino Reservoir Dam showing one outlet gate. A second gate, partially submerged, is at the distant end of the dam; November...

KP-2534-R2-Klamath Project -- CLEAR LAKE WATERSHED. View north showing Janes Reservoir Dam. The new embankment on top of the dam was added during 1959; November 24, 1959; Photo by R.G. Pollan

KP-2535-R2-Klamath Project - CLEAR LAKE WATERSHED. Recently constructed outlet through Janes Reservoir Dam. View looking north; November 24, 1959; Photo by R.G. Pollan

KP-2536-R2-Klamath Project - GERBER WATERSHED. View southeast from Yainax Butte. Dry Prairie is in the foreground; beyond, in the distant background, Gerber Reservoir can be seen; November 25, 1959; Photo by...

KP-2537-R2-Klamath Project - GERBER WATERSHED. View south southeast from Yainax Butte. Dry Prairie is in the foreground. Horsefly Mountain is in the middle of the picture; November 25, 1959; Photo by R.G.Pollan