karlaa06 karlaa06

21-12-2017
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What's the biggest obstacle for the railroads heading east from California?

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doghunt doghunt

21-12-2017

The biggest obstacle for the railroads heading east from California was the Sierra Nevada mountain range.

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AlmostNeverWrong AlmostNeverWrong

21-12-2017

The biggest obstacle for the railroads were :
Sierra Nevada
Hope this helped!

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