This series consists of color transparencies of views of barns, bridges, grain elevators, railroad depots, railroads, and tugboats. Images depict sites along the Delaware River, Erie Canal, and Pecos River and in Massachusetts, New Jersey, New York state, Vermont, and throughout the American West, including views at Promontory, Utah, to commemorate the joining of the Union and Pacific Railroads at Golden Spike National Monument near Promontory, Utah.