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Exploration and discovery

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Porcupine Terraces. Uintah Mountains in the Distance
Porcupine Terraces. Uintah Mountains in the Distance

Round Prairie from the haed of the sam. April 21st at 10 AM Timpanogos River entering round prairie. Timpanogos cañon.
Round Prairie from the haed of the sam. April 21st at 10 AM Timpanogos River entering round prairie. Timpanogos cañon.

Humboldt Pass May 22d at 12 A. M. from high peak east of pass. SA. 69° W. Mg. Franklin River. Distant snowy divide of the Humboldt and Columbia Rivers. Humboldt Valley 40 Miles Wide West of Pass.
Humboldt Pass May 22d at 12 A. M. from high peak east of pass. SA. 69° W. Mg. Franklin River. Distant snowy divide of the Humboldt and Columbia Rivers. Humboldt Valley 40 Miles Wide West of Pass.

Franklin Valley . May 24th at 10 A. M. from a spur of the Humboldt Mountains. Antelope Butte. S. 70° E.Mg. West End of Goshoot Passage Franklin River. Franklin Lake.
Franklin Valley . May 24th at 10 A. M. from a spur of the Humboldt Mountains. Antelope Butte. S. 70° E.Mg. West End of Goshoot Passage Franklin River. Franklin Lake.

West End of Madelin Pass. June 26th at 8 A.M. from a peak overlooking Madelin Creek. S.67° W.Mg. Mt. Shasta. Sacramento River Descending Through Round Valley in the distance N. 8° W.Mg.
West End of Madelin Pass. June 26th at 8 A.M. from a peak overlooking Madelin Creek. S.67° W.Mg. Mt. Shasta. Sacramento River Descending Through Round Valley in the distance N. 8° W.Mg.

Portion of the Main Moutain Passage
Portion of the Main Moutain Passage

Reports of Explorations and Surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean. Made under the direction of the Secretary of War, in 1853-[6] . Vol. 12 [part 1 [Prints Only]
Reports of Explorations and Surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean. Made under the direction of the Secretary of War, in 1853-[6] . Vol. 12 [part 1 [Prints Only]

Mt. Baker & Cascade Range from Whitbys Island
Mt. Baker & Cascade Range from Whitbys Island

Mt. Rainer Viewed from Near Steilcoom
Mt. Rainer Viewed from Near Steilcoom

Puget Sound & Mt. Rainer from Whitby Island
Puget Sound & Mt. Rainer from Whitby Island