1. Carpenter Dam, Hot Springs National Park, Arkansas Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
2. Carpenter Dam, Hot Springs National Park, Arkansas Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
3. Conowingo Dam and Power House, near Bel Air and Havre de Grace, Md. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
4. The dam and Woolen Mills, Old Town, Maine Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
5. 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
6. Power plant. 75-foot lock, switchyard and partial view of dam of the Santee-Cooper Hydro-Electric and Navigation Systems, Moncks Corner, S. C. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
7. Remmel Dam and Electric Power Plant, Hot Springs National Park, Arkansas Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
8. Remmel Dam and Electric Power Plant, Hot Springs National Park, Arkansas Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
9. "Stewart Dam and Power Plant" Hadley, N.Y. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
10. Tail race view of the power house and lock of the Santee-Cooper hydro-electric and navigation system, Moncks Corner, S. C. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
11. 127 -- Chickamauga Dam, Tennessee River, Chattanooga, Tennessee Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
12. Aerial view of Fontana Dam and lake, N. C. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
13. Aerial view of Sardis Dam and upper and lower lakes, near Batesville and Sardis, Miss. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
14. Aerial view of Shafer Lake, Ind., looking north from dam, Ideal Beach Resort on end of peninsula left center Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
15. Aerial view, Wilson Dam, near Florence, Ala. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
16. Air view of $100,000,000 Bonneville Dam on Columbia River Highway, connecting Oregon and Washington. Largest lift navigation lock in the world Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
17. Air view of $100,000,000 Bonneville Dam on Columbia River Highway, connecting Oregon and Washington, largest lift navigation lock in the world Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
18. Air view of Chickamauga Dam, Tennessee River, Chattanooga, Tennessee Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
19. Amanecer en la presa Abelardo L. Rodriguez = Breath taking sunrise at Rodriguez Dam Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
20. Birds-eye view of Tallulah Falls Bridge and lake on U.S. Highway 23 near Clayton, Ga. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library