Page:America's Highways 1776–1976.djvu/503

 In 1967 repair work was underway on Oreg, FH 55. The men working on this project took a quick course in mountain climbing, which later saved the life of at least one man.

The slope was drilled and small charges of dynamite were set to blast the face of the slope for what is called presplitting of cut slopes. The drills and other equipment had to be high-lined on cables to the top of the slope.

Men and equipment operating above Highway 55, both secured by ropes and cables. The work today is still as challenging as ever. 497