Shenandoah Tunnel Poster Nevada Named for its vibrant red

Named for its vibrant red cliffs by explorer John Wesley Powell

the fortified Winsor Castle was built and operated by the Church of Jesus Christ of Latter-day Saints to secure the spring water and location for a substantial ranching operation

a party set out in 1905 to sketch

it has become one of the most treasured lodges of the National Parks

Shenandoah Tunnel Poster Nevada Named for its vibrant redProduct Details 14" x 22" poster Interpretive Copy Construction on Marys Rock Tunnel began in 1931 and was considered a monumental feat of engineering. Workers used an average of 1000 pounds of dynamite daily for three months to blast through over 670 feet of solid granite. The novelty of the tunnel drew hundreds of thousands of visitors, and in 1937 Shenandoah National Park became the first national park to reach one million annual visitation.