Scale [ca. 1:380,160]. 1 in. to approx. 6 miles (W 116 --W 114 /N 39 --N 35 ) ; 1 map : hand col., mounted on linen ; 115 x 54 cm ; Relief shown by hachures and spot heights ; Hand colored ; Shows range and township grid ; Shows towns, railroads, proposed railroads, wagon roads and springs ;