61. Norris Dam, Tennessee Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
62. Olmos Dam, at night, San Antonio, Texas Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
63. Olmos Dam, San Antonio, Texas Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
64. Olmos Dam, San Antonio, Texas Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
65. Outlet works from top of dam, Sardis Dam, near Batesville, Miss. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
66. Outlet works, Sardis Dam, looking downstream, near Batesville, Miss. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
67. Outlet works, Sardis Dam, looking upstream, near Batesville, Miss. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
68. Overlooking Tionesta Dam from Route 66, Tionesta, Pa. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
69. Power House and dam, Martinsville, Va. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
70. 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
71. Red River Dam as it will appear when completed Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
72. 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
73. 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
74. Represa de la Central hidroeléctrica de Guadalupe, Medellin, Col. = Dam of Guadalupe Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
75. Rock Dam in Devil's Den State Park near Winslow Arkansas on U.S. highway 71 Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
76. Scenic view of Norfolk Dam and Lake Norfolk in the Arkansas Ozarks Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
77. Scenic view of Norfolk Dam and Lake Norfolk in the Arkansas Ozarks Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
78. Schoolfield Dam and Dan River Mill, Danville, Va. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
79. 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
80. Spillway, Ashokan Reservoir, Catskill Mts., N. Y. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library