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| Transcontinental Railroad route |
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| Laborers working on the railroad |
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| Chinese laborers posing for the camera |
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| Donner Summit |
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| The "Jupiter" chugging through the mountains |
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| Building tracks in the Sierra Nevada Mountains |
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| Surveyors look for a route to lay down tracks |
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| Chinese workers using shovels to level the ground for laying tracks |
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| Promontory Summit, Utah |
