Item is coloured lithograph of ravines in the bed of the Ancient Lake. From a sketch by Ch. Koppel. Lith. by A.Hoen&Co. Balto. U.S.P.R.R. Exp. & Surveys California. Geology Plate IX.
Item is a coloured lithograph of the headwaters of Paria Creek. Printed by Sinclair & Son. U.S. Geographical Surveys West of 100th. Meridian. Vol. I. Geographical Report. Plate VI.
Item is a coloured lithograph of the main chain of the Rocky Mountains. Painted by Stanley, Del after Sohon. Printed by Sarony, Major & Knapp Lithographs, New York. U.S.P.R.R. Exp. & Surveys - 47th & 49th Parallels. General Report- Plate LII.