Natural Bridges Poster Alaska told Norbeck that it could

told Norbeck that it could be done with enough dynamite

convinced his nephew Gordon to drive his new Thomas Flyer to the north rim of the Grand Canyon in June 1909

Chittenden oversaw the construction of the monument as well as  Yellowstone’s roads

” Workers used an average of 1000 pounds of dynamite daily for three months to blast through over 670 feet of solid granite

Memorial Parkway in 1972

Natural Bridges Poster Alaska told Norbeck that it couldProduct Details 14 x 22 poster, screen printed in three colors. Interpretive Copy Excited by an account of three stone bridges in a remote corner of southeastern Utah, Colonel Edwin F. Holmes of Salt Lake City organized an expedition to learn more about these natural wonders. Led by artist H. L. A. Culmer, a party set out in 1905 to sketch, photograph and document the bridges. Their findings contributed to the establishing of Natural Bridges as Utahs