Note the amount of error between the so-called "Von Schmidt line" and the more accurate border surveyed later. This error does not appear in the stip map you…
The rest of the Fort Sage Drift Fence, about seven miles southeast of the supposed location of Fort Sage.
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Map showing Perry Jocelyn's march in May, 1872, from Reno to Camp Bidwell, California. From Mostly Alkali by Stephen Perry Jocelyn, 1953.