Shows projected routes for Southern Pacific Rail Road to the east of central Arizona. Sub map shows the existing rail road from Yuma through California. Sub map: Map of the Southern Pacific Rail Road connecting with the Central Pacific R.R. at Goshen 1877. "Compiled from Official Maps of Military Division of the Pacific Surveyor General's Office A.T. & from the notes of Col. W. G. Boyle Col. J. D. Graham, H. Ehrenberg, Prof. Pumpelly and Lieut. Philip Reade U.S.A. 1878." "Lith. Britton, Rey & Co. S.F." "Copyright secured by Richard J. Hinton." Prime meridian: GM. Relief: shaded. Graphic Scale: Miles. Projection: Pseudocylindrical. Printing Process: Lithography. Other Features: Sub-maps.
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