31. Devil's Gate Dam, Pasadena, California Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
32. Devil's Gate Dam, Pasadena, California Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
33. Diagram of Tennessee Valley Authority Water Control System Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
34. Downstream face of Boulder Dam Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
35. Ducks-eye view of Kentucky Dam and Lake Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
36. Ducks-eye view of Kentucky Dam and Lake "America's Largest Man-made Lake in the World." Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
37. Fish-eye view of Kentucky Dam, near Benton, Ky. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
38. Fishing in the outlet works, Sardis Dam, near Batesville, Miss. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
39. Fort Peck Dam, on Missouri River, in Montana Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
40. Fort Ticonderoga, Ticonderoga, N. Y. Norris Dam, Tennessee. Bear Mountain Inn, Bear Mt., N. Y. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library