The Fabulous Life of the Earth Moving Machine
Apart from a history of heavy machinery, Ammon's book also examines shifting attitudes towards the wholesale clearance of land from World War II through 1973.
Justine Christianson
Justine Christianson is an historian with Heritage Documentation Programs, a division of the National Park Service. She has documented numerous sites and structures throughout the United States and is co-editor of Covered Bridges and the Birth of American Engineering.
By Justine Christianson