Boone, IA: Press of W.H. Gallup, .
Softcover. Very good. 16 pp, with many illustrations from photographs. Wrappers printed in red and green, each page with a decorative border in color. Moderate general handling wear. Provides a history of the construction of this railroad bridge, which is "unequalled in the world," as well as some facts and anecdotes about the region. Not found in OCLC.