No. 34. Written on back: Lodore. Part of series: U.S. topographical and geological survey of the valley of the Colorado River of the west, by J.W. Powell and A.H. Thompson.
No. 33. Written on back: Lodore. Part of series: U.S. topographical and geological survey of the valley of the Colorado River of the west, by J.W. Powell and A.H. Thompson.