Scope and Contents Portfolio, 10 1/4 x 7 1/2 inches. The text is descriptive of the plates, which are 25 in number, representing views of cities, natural scenery, and mining life. Pasted inside back cover is "Map of the Washoe Mining Regions". Two other maps laid in: "Longitudinal Section of the Comstock Lode Showing the Workings and their Relative Depths to the Sutro Tunnel and Section of the Sutro Tunnel from its Entrance to the Comstock Lode"; and "Topographical Map of the Range of Mountains Containing...