1.
New Method of Calculating the Cubic Contents of Excavations and Embankments, by the Aid of D...
by Trautwine, John C. (John Cr...
ISBN: 9781014920232
List Price: $12.95
2.
Rough Notes of an Exploration for an Inter-Oceanic Canal Route by Way of the Rivers Atrato a...
by Trautwine, John C. (John Cr...
ISBN: 9781015023925
List Price: $15.95
3.
Isthmus of Panama. History of the Panama Railroad; and of the Pacific Mail Steamship Company...
by Otis, Fessenden N. (Fessend...
ISBN: 9781014686572
List Price: $19.95