Map of the Gadsden Purchase Sonora and portions of New Mexico Chihuahua & California / by Herman Ehrenberg, C.E. From his private notes & those of Major Heintelman, Capt. Sitgreaves, Lieutt. Derby; Bartlett; Gray; Julius Froebel & others
The map shows two probable routes of the Atlantic & Pacific Rail Road via Texas, the reason for the Gadsden Purchase. Someone has added an extension from the Colorado River to San Diego in ink. The mountains which blocked a more northerly route are clearly shown. Note on old folder: Not same as 44064 which is 1858 this map is 1854. Keep and catalog. Hand written notes and rail line to Guaymas. Prime meridian: GM. Relief: hachures. Graphic Scale: Miles. Projection: Polyconic. Printing Process: Lithography.
Extent
1 map ; hand col. ; 47 x 53 cm., sheet 64 x 73 cm.
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