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1861
Beckwith, Lieut., Schumann, C.
Valley of the Mud Lakes.
Exploration Book
1861
Beckwith, Lieut., Schumann, C.
Valley of Humboldt River at Lassen's Mea …
Exploration Book
1861
Beckwith, Lieut., Schumann, C.
Madelin Pass.
Exploration Book
1861
Beckwith, Lieut., Schumann, C.
West End of Madelin Pass.
Exploration Book
1861
Beckwith, Lieut., Schumann, C.
No. Slopes of the Sierra Nevada.
Exploration Book
1861
Beckwith, Lieut., Schumann, C.
Portion, main mountain passage of Upper …
Exploration Book
1861
Beckwith, E.G.
From the Mud Lakes to Pacific Ocean.
Exploration Book