Yellowstone Historic Resource Study The History of the Construction of the Road System in Yellowstone National Park, 1872-1966

A. Synopsis of Roads, Bridle-Paths, and Trails in the Yellowstone National Park "19th Century"

B. Memorandum of Agreement Between the National Park Service and the Bureau of Public Roads Relating to the Survey, Construction, and Improvement of Roads and Trails in the National Parks and National Monuments

C. Report July 1951 Road Cross Section Design, Construction Standards and Maintenance in Yellowstone National Park and Grand Teton National Park

D. Roads and Trails Maintenance Report 1956

E. 1930s Specifications