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. The dam and Woolen Mills, Old Town, Maine Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
4. 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
5. 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
6. 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
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. Spillway and partial view of Santee Dams of the Santee-Cooper Hydro-Electric and Navigation System located on Santee River 12 miles south of Manning, S. C. South... 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. 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
12. 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
13. 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
14. 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
15. Clark Hill Dam Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
16. Clark Hill Dam on Savannah River, between Georgia and South Carolina about 22 miles north of Augusta, Ga. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
17. 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
18. 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
19. The Elbow on the Ohio River and power plant, Moundsville, W. Va. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
20. Ford Industries, Dearborn, Mich. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library