Reports of Explorations and Surveys to Ascertain the Most Practicable and Economical Route for a Railroad from the Mississippi River to the Pacific Ocean, Volume 11.

United States (Author), Joseph Henry, Spencer Fullerton Baird, United States Army Corps of Engineers

George W. Bowman, 1861

XI. Material used and methods employed in compiling the general map ; [Topographical maps, etc.].  Quarto, 30 cm.  Spine perished. Hardcover.   Scattered spotting.  Numerous fold out maps. Only 11 plates, all 30 folding maps present.