Transportation
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In the final days of the race to Promontory, violent effort was carved into the unyielding limestone along this route through the Promontory Mountains. Though these mountains may appear less formidable than the Wasatch Front or the Sierra Nevada, this stretch had the toughest grade for a train to pull on the entire transcontinental route from Donner Pass to the Missouri River. The Big Fill Trail is a 1.5-mile round trip leading to the Big Fill and the Big Trestle site, and its easy walking grade of 1.6 percent reflects the limits set in the Pacific Railroad Act of 1862.
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Howell, Utah · United States
