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You searched for: Start Over Decade 1930-1939 Remove constraint Decade: 1930-1939 Region Columbia River >> Douglas County >> Washington >> United States Remove constraint Region: Columbia River >> Douglas County >> Washington >> United States

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1. Columbia Gorge Conservation and Development
Columbia Gorge Conservation and Development
Description
71 p. A report submitted to the National Resources Committee and the state planning boards of Washington and Oregon by the Pacific Northwest Regional Planning Commission, Columbia Gorge Committee, detailing the findings of their study of ways to conserve the scenic beauty of the Columbia River Gorge.
2. Bonneville Dam: 1939 Aerial Photographs
Description
3 aerial photographs and a guide map of the Bonneville Dam area taken in 1939 as part of the OCSW river survey.
3. Bonneville Dam: 1939 Aerial Photographs: OCSW 10500 B
Bonneville Dam: 1939 Aerial Photographs: OCSW 10500 B
Description
Aerial photograph of the Columbia River and surrounding land downstream of the Bonneville Dam. Taken in 1939 as part of the OCSW railroad survey.
4. Bonneville Dam: 1939 Aerial Photographs: OCSW 10500 A
Bonneville Dam: 1939 Aerial Photographs: OCSW 10500 A
Description
Aerial photograph of the Columbia River and surrounding land downstream of the Bonneville Dam. Taken in 1939 as part of the OCSW railroad survey.
5. Bonneville Dam: 1939 Aerial Photographs: OCSW 10500 C
Bonneville Dam: 1939 Aerial Photographs: OCSW 10500 C
Description
Aerial photograph of the Columbia River and surrounding land downstream of the Bonneville Dam. Taken in 1939 as part of the OCSW railroad survey.
6. Salmon entering elevator from brail
Salmon entering elevator from brail
Description
Rock Island Dam
7. Salmon entering elevator from brail
Salmon entering elevator from brail
Description
Rock Island Dam
8. Rotary drum screen
Rotary drum screen
Description
A rotary drum screen in a diversion ditch on the Wenatchee River. A by-pass provides passage for the fingerlings from in front of the drum screen back to the river
9. Rock Island Dam
Rock Island Dam
Description
Rock Island Dam on the Columbia River
10. Collecting pool at trap at Rock Island Dam
Collecting pool at trap at Rock Island Dam
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