Beckwith and Egloffstein. Map No. 2 From Great Salt Lake to the Humboldt Mountains. 1856. San Francisco Sheet: 29” x 19 ¼”

Sheet: 29” x 19 ¼”

the northern portion was carved out and became Washington Territory

it reflects Spain’s efforts to reinforce control over its maritime empire amid growing British naval threats and the onset of independence movements in Spanish America

Joannes de Laet

the Adams-Onis Treaty of 1819 was laid out on a copy of this 1818 edition of the map

Beckwith and Egloffstein. Map No. 2 From Great Salt Lake to the Humboldt Mountains. 1856. San Francisco Sheet: 29” x 19 ¼”E. G. Beckwith (18181881) & E. W. Egloffstein (18241888) Map No. 2 From Great Salt Lake to the Humboldt Mountains From U. S. Pacific Railroad Surveys, Washington, D. C., 1856 Hand colored lithograph Sheet size: 20. 5 x 18 inches This detailed map represents a segment of the U. S. Pacific Railroad Surveys, a series of explorations commissioned by Congress to determine the most practical and economic route for a transcontinental railroad. Conducted