Sepia-toned view of the main spillway of Bonneville Dam, with water thundering through the open bays between the concrete piers. A forested ridge and cloudy sky form the backdrop.
White border; sepia-toned real photo print; photographer's signature 'Sawyers' in lower right corner.
No postmark. Divided-back card with handwritten date 'Sept 10 1947' and 'RMJ 4-' annotations at upper left; no stamp, no address, no message. Front is a white-bordered sepia real-photo view of Bonneville Dam signed 'Sawyers'.
Cite this card
Main Spillway, Bonneville Dam, Oregon, circa 1940, postcard, c. 1915. PostalPast Collection. https://postalpast.com/postcard/main-spillway-bonneville-dam-oregon-circa-1940. Accessed October 5, 2026.