41. Diagram of Tennessee Valley Authority Water Control System Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
42. Downstream face of Boulder Dam Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
43. Ducks-eye view of Kentucky Dam and Lake Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
44. 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
45. 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
46. 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
47. Fort Peck Dam, on Missouri River, in Montana Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
48. 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
49. Garrison Dam under construction and city of Riverdale, on the Big Missouri, West -- Central North Dakota Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
50. Grand Coulee Dam as seen from Columbia River Lake, Grand Coulee Dam, Washington Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
51. Grand Coulee Dam, Grand Coulee Dam, Wash. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
52. Grand Coulee Dam, Grand Coulee Dam, Wash. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
53. Grand Coulee Dam Spillway, Grand Coulee Dam, Washington Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
54. Grand Coulee Dam, Washington Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
55. Grand Coulee Dam, Washington. Fort McHenry, Baltimore, Md. Winston-Salem Inc. R. J. Reynolds Co., Tobacco Co., building Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
56. Greetings from - night steel mill scene, Pittsburgh, Pennsylvania. The loop, Great Smoky Mountains National Park. Boulder Dam Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
57. Hartwell Dam and Reservoir near Hartwell, Ga. and Anderson, S. C., on Savannah River (Ga.-S. C. state line) Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
58. The Hollywood Dam, Hollywood, Calif. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
59. Hoover Dam, Nevada-Arizona Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
60. Hydro Electric Power House, showing Leonard Lake and dam, Ellsworth, Maine Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library