treating of the principles of the science

the causes which led to its conception; the great undertaking; obstacles encountered; how the work was performed; launch of the crib, etc. : Together with sketches of the visits of several illustrious parties to the works, and a midnight train of cars beneath Lake Michigan : Also, the successfull completion of the great enterprise

conducted under the authority of hon. J.D. Cox, secretary of the interior

being a fifth annual report of progress

95 Karten

Nebraska

Nebraska