21. Bingham Copper Mine, Utah Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
22. The Brew House at Pabst's Milwaukee brewery Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1950–1979] Institution: Boston Public Library
23. The Brew House at Pabst's Milwaukee brewery Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1950–1979] Institution: Boston Public Library
24. The Brew House at Pabst's Milwaukee brewery Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1950–1979] Institution: Boston Public Library
25. Caldwell Building, industrial commission, Tallahassee, Fla. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
26. Canning tomatoes at Pocomoke City, Md. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
27. Cannon Mills, Kannapolis, N. C. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
28. Carbon run colliery Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
29. Carpenter Dam, Hot Springs National Park, Arkansas Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
30. Carpenter Dam, Hot Springs National Park, Arkansas Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
31. The Caterpillar Tractor Co. Factory, Peoria, Ill. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
32. Chevrolet Plant, Tarrytown, N. Y. -- Westchester County Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
33. Club Vencemos. La planta de cemento. Pertigalete - vista panoramica Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
34. Coal mining, Anthracite Region of Pa. Loaded cars being placed on cage to be raised to surface Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
35. Coal mining, Anthracite Region of Pa. Loaded cars being placed on cage to be raised to surface Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
36. Coal mining, Anthracite Region, Pennsylvania. A group of miners and laborers Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
37. Coal mining, Anthracite Region, Pennsylvania. A miner testing the roof, following a blast Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
38. Coal mining, Anthracite Region, Pennsylvania. A miner testing the roof, following a blast Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
39. Coal mining, Anthracite Region, Pennsylvania. An electric locomotive hauling loaded cars to foot of mine! Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
40. Coal mining, Anthracite Region, Pennsylvania. An electric locomotive hauling loaded cars to foot of mine Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library