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1861
Abbot, Henry L., Humphreys, …
Profiles, main routes survey …
Exploration Book
1858
Freyhold, Edward, Warren, Go …
Map Of The Territory Of The …
Separate Map
1868
Freyhold, Edward, Warren, Go …
Territory Of The United Stat …
Case Map
1861
Pacific Railroad Survey, War …
Title Page: Reports, explora …
Exploration Book
1861
Pacific Railroad Survey, War …
Title Page: Topographical ma …
Exploration Book
1861
Pacific Railroad Survey, War …
Cover: Reports of Exploratio …
Exploration Book
1861
Pacific Railroad Survey, War …
Contents: Reports of explora …
Exploration Book
1861
Pacific Railroad Survey, War …
Title Page: Memoir to accomp …
Exploration Book
1861
Pacific Railroad Survey, War …
Contents: Memoir to accompan …
Exploration Book
1861
Pacific Railroad Survey, War …
Contents: Topographical maps …
Exploration Book
1861
Pacific Railroad Survey, War …
Contents: Topographical maps …
Exploration Book
1855
Warren, Gouverneur Kemble, 1 …
Map Of The Territory Of The …
Separate Map
1867
Warren, Gouverneur Kemble, 1 …
Map Of The Territory Of The …
Case Map
1861
Beckwith, Lieut., Schumann, …
Valley of the Mud Lakes.
Exploration Book
1861
Beckwith, Lieut., Schumann, …
Weber Lower Canyon.
Exploration Book
1861
Beckwith, Lieut., Hinshelwoo …
Second or Sheeprock Canyon o …
Exploration Book
1861
Beckwith, Lieut., Schumann, …
Porcupine Terrace.
Exploration Book
1861
Beckwith, Lieut., Schumann, …
Round Prairie From Head of t …
Exploration Book
1861
Beckwith, Lieut., Schumann, …
Goshoot Passage.
Exploration Book
1861
Beckwith, Lieut., Schumann, …
Humboldt Pass.
Exploration Book
1861
Beckwith, Lieut., Schumann, …
Franklin Valley.
Exploration Book
1861
Beckwith, Lieut., Schumann, …
Valley of Humboldt River at …
Exploration Book
1861
Beckwith, Lieut., Schumann, …
Madelin Pass.
Exploration Book
1861
Beckwith, Lieut., Schumann, …
West End of Madelin Pass.
Exploration Book
1861
Beckwith, Lieut., Schumann, …
No. Slopes of the Sierra Nev …
Exploration Book
1861
Beckwith, Lieut., Schumann, …
Portion, main mountain passa …
Exploration Book
1861
Campbell, A. H. (Albert H.), …
Profile Ft. Smith, Ark.-Mart …
Exploration Book
1861
Ives, J.C., Whipple, A.W.
From Fort Smith to the Rio G …
Exploration Book
1861
Ives, J.C., Whipple, A.W.
From the Rio Grande to the P …
Exploration Book
1861
Abbot, Henry L., Williamson, …
Profiles 1 Benicia-Ft. Readi …
Exploration Book
1861
Abbot, Henry L., Williamson, …
Profiles 2 Des Chutes Valley …
Exploration Book
1861
Williamson, R.S.
San Francisco Bay to N. boun …
Exploration Book
1861
Williamson, R.S.
Northern Boundary of Califor …
Exploration Book
1861
Williamson, R.S.
General Map of Explorations …
Exploration Book
1861
Williamson, R.S.
Passes, Sierra Nevada, Walke …
Exploration Book
1861
Williamson, R.S.
Map and Profile of Canada de …
Exploration Book
1861
Williamson, R.S.
Map and Profile of Tejon Pas …
Exploration Book
1861
Williamson, R.S.
1. Profiles, passes in the S …
Exploration Book
1861
Williamson, R.S.
2. Profiles, passes in the S …
Exploration Book
1861
Beckwith, E.G., Gunnison, J. …
Profiles, 1 Ft. Bridger-Ft. …
Exploration Book
1861
Gunnison, J.W.
From W. boundary of Missouri …
Exploration Book
1861
Gunnison, J.W.
From mouth of Trap Creek to …
Exploration Book
1861
Gunnison, J.W.
From Santa Fe Crossing to Co …
Exploration Book
1861
Gunnison, J.W.
From the Coo-che-to-pa Pass …
Exploration Book
1861
Beckwith, E.G.
From the Valley of Green Riv …
Exploration Book
1861
Beckwith, E.G.
From Great Salt Lake to Humb …
Exploration Book
1861
Beckwith, E.G.
From the Humboldt Mountains …
Exploration Book
1861
Beckwith, E.G.
From the Mud Lakes to Pacifi …
Exploration Book
1861
Stevens, Isaac I.
St. Paul to Riviere Des Lacs …
Exploration Book
1861
Stevens, Isaac I.
Riviere des Lacs to Rocky Mo …
Exploration Book