| 1. | The ascent is particularly steep after passing northbound through the Great Bear snow shed.
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| 2. | Snow sheds for the Trans-Canada Highway were built later, including large ones in 1962.
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| 3. | In 1910, a serious forest fire burned much of the remaining major bridges and snow sheds.
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| 4. | The new tunnel and electrification reduced the mainline by, eliminated of elevation and of snow sheds.
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| 5. | Snow sheds are a kind of artificial tunnel built to protect a railway from avalanches of snow.
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| 6. | Denver & Salt Lake Railroad passenger train exiting a snow shed at the top of Rollins Pass, Colorado.
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| 7. | The I-90 snow shed was the last remaining snow shed along an Interstate highway when it was removed.
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| 8. | The I-90 snow shed was the last remaining snow shed along an Interstate highway when it was removed.
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| 9. | A number of snow sheds and earth dams are used to protect the Rogers Pass highway from avalanches.
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| 10. | I-90 used to have one of only a few snow sheds on the Interstate Highway System, at Snoqualmie Pass.
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