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| Number | Title | Image (click for larger image) | |
|---|---|---|---|
| E19 | West Portal, Tunnel #3, Columbia River, Oregon | Courtesy of California State Library | |
| E20 | East Portal, Tunnel #3, Columbia River, Oregon. | Courtesy of California State Library | |
| E21 | Interior, Tunnel #3, Columbia River Scenery, Oregon | Courtesy of California State Library | |
| 88 | Horse Ravine Wall and Grizzly Hill Tunnel. 77 miles from Sacramento
|
Courtesy of Steve Heselton | |
| 89 | Grizzly Hill Tunnel from the North. 500 feet long
|
Courtesy of Steve Heselton | |
| 118 | Summit Tunnel - Eastern Portal. Length 1,660 feet
|
Courtesy of Library of Congress | |
| 118 | Summit Tunnel - Eastern Portal. Length 1,660 feet
|
Courtesy of California State Library | |
| 118 | Summit Tunnel - Eastern Portal. Length 1,660 feet
|
Courtesy of The New York Public Library | |
| 120 | Scene near Summit Tunnel. Eastern slope of Western Summit
|
Courtesy of California State Library | |
| 129 | In the Tunnel, New Almaden
|
Courtesy of The J. Paul Getty Museum, Los Angeles | |
| 145 | In the tunnel, New Almaden
|
Courtesy of Steve Heselton | |
| 145 | In the tunnel, New Almaden
|
Courtesy of Bill Lee | |
| 166 | Emigrant Gap Tunnel
|
Courtesy of California State Library | |
| 198 | East Portal of Summit Tunnel, Length 1,660 feet
|
Courtesy of Steve Heselton | |
| 211 | West Portal, Tunnel No 1, Grizzly Hill
|
Courtesy of Steve Heselton | |
| 218 | Tunnel No 3, above Cisco
|
Courtesy of Library of Congress | |
| 218 | Tunnel No 3, above Cisco
|
Courtesy of Len Walle | |
| 256 | Crested Peak and Tunnel No 10. Eastern Slope of Western Summit
|
Courtesy of Steve Heselton | |
| 256 | Crested Peak and Tunnel No 10. Eastern Slope of Western Summit
|
Courtesy of California State Library | |
| 268 | Boundary Peak and Tunnel No. 15. 137 miles from Sacramento
|
Courtesy of Bill Lee | |
| 268 | Boundary Peak and Tunnel No. 15. 137 miles from Sacramento
|
Courtesy of Bill Lee | |
| 269 | Tunnel No. 15, Looking East, towards Nevada
|
Courtesy of Library of Congress | |
| 3398 | Miner's Tunnel, Humbug Canon, Nevada County, Cal.
|
Courtesy of The Society of California Pioneers | |
| 3664 | Tunnel No. 10, Tehachapi Pass, Kern Co., S.P.R.R.
|
Courtesy of John Weiler | |
| 3665 | Interior of Tunnel No. 10, Tehachapi Pass, Kern Co., S.P.R.R.
|
Courtesy of The Society of California Pioneers | |