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