Published 1 month ago

PHOTO GALLERY: Moving water through Estes Park

Summary by Ground News

The Alva B. Adams Tunnel was holed through on June 10, 1944, at 12:24 p.m. This 13-mile cement-lined tunnel bores under the peaks of Rocky Mountain National Park at a depth of up to 3,800 feet. The tunnel, and the larger C-BT Project, continues to hold the title as the largest transmountain water diversion project in Colorado.

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Estes Park Trail-Gazette

PHOTO GALLERY: Moving water through Estes Park

The Alva B. Adams Tunnel was holed through on June 10, 1944, at 12:24 p.m. This 13-mile cement-lined tunnel bores under the peaks of Rocky Mountain National Park at a depth of up to 3,800 feet. When the two teams met after digging simultaneously, from Estes Park on the east side and Grand Lake on the west side, the tunnel was only off by less than a half inch. After digging 13 miles, the contractors had aligned the borehole to the width of a pen…

1 month ago

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