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EA-1456: Finding of No Signficant Impact

Cheyenne-Miracle Mile and Ault-Cheyanne Transmission Line Rebuild Project Carbon, Albany and Laramie Counties, Wyoming and Weld County, Colorado

Western proposes to upgrade the existing 146 miles of CH-MM 115kB transmisison line which crosses Carbon, Albany and Laramie Counties in Wyoming and 35 miles of the AU-CH transmission line which corsses portions of Larmie Counties, Wyoming and Weld County, Colorado. The upgrade would remove the existing 115-kV H-frame structures and replace them with new 230-kV H-frame structures and single pole steel structures. Western also proposes to widen the existing right-of-way (ROW), where necessary to allow adequate electrical clearances.