Dahl, James, former ownerMitchell, S. Augustus (Samuel Augustus), 1792-1868Relief shown by hachures and spot heights. Includes the gold region of California. Prime meridians: Greenwich and Washington. "36." "Entered according to act of Congress in the year 1845 by H.N. Burroughs ..." 1 map; 38 x 29 cm.JPEGb520d561-a377-4d31-a334-13f6363b269fengPublicOregon, Upper California & New Mexico; published by S. Augustus Mitchell, N.E. corner of Market & 7th St.MapsUnited States of Americabetween 1845 and 1849University of Michigan