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Yellowstone photo album 10, page 121 Yellowstone National Park
View on map 
Circa 1935
View series 
Yellowstone photo album 10, page 122 Yellowstone National Park
View on map 
Circa 1935
View series 
Yellowstone photo album 10, page 123 Yellowstone National Park
View on map 
Circa 1935
View series 
Yellowstone photo album 10, page 124 Yellowstone National Park
View on map 
Circa 1935
View series 
Yellowstone photo album 10, page 120 Yellowstone National Park
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Circa 1935
View series 
Telephone line construction, switchboard house for new telephone system, 1939 Mammoth Cave National Park; National Park Service
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1939-09-12
Telephone line construction, switchboard house for new telephone system, 1939 Mammoth Cave National Park; National Park Service
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1940-09-12
Showing the telephone wires being hooked up at the switchboard, 1939 Mammoth Cave National Park; National Park Service
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1939-05-10
Telephone line construction, laying cable for underground lines of new telephone system, 1939 Mammoth Cave National Park; National Park Service
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1939-08-29
Telephone line construction, splicing underground cable at automatic switchboard house for new telephone system, 1939 Mammoth Cave National Park; National Park Service
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1939-09-18
Yellowstone photo album 10, page 113 Yellowstone National Park
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Circa 1935
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Telephone line construction, view in automatic switchboard house, scene shows telephone lines being tested, 1939 Mammoth Cave National Park; National Park Service
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1939-11-2
Yellowstone photo album 10, page 112 Yellowstone National Park
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Circa 1935
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Yellowstone photo album 10, page 118 Yellowstone National Park
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Circa 1935
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Yellowstone photo album 10, page 117 Yellowstone National Park
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Circa 1935
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Yellowstone photo album 10, page 114 Yellowstone National Park
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Circa 1935
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Park ranger at desk Jean Lafitte National Historical Park and Preserve Frederico, Artist
Circa 1986
Underground telephone line Blue Ridge Parkway Virginia, Section 1M.
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1982-01-07
Underground telephone line Blue Ridge Parkway Virginia, Section 1M.
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1982-01-07
Placing crossarms on telephone poles Mammoth Cave National Park; National Park Service
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1938-05-16
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About 67 Items

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