Announcement of Prof. S. J. Sedgwick's Illustrated Course of Lectures and Catalogue of Stereoscopic Views of Scenery in All Parts of the Rocky and Sierra Nevada Mountains

Catalogue of Stereoscopic Views of Scenery in All Parts of the Rocky Mountains Between Omaha and Sacramento : Taken by the Photographic Corps of U. P. R. R. , of Which Prof. Sedgwick Was a Member, for Union Pacific Railroad, at a Cost of Over $10,000