The Crosley Zulch Map of the Seven Troughs Mining District, Humboldt County, Nevada [caption title]
[Reno?]: 1909. Large sheet map, 50 x 22 inches. Rolled. Two closed tears, partially repaired with tape. Some chipping at edges. Patch of dampstaining at lower right corner. A large and detailed map of mining claims near Seven Troughs Mountain, in what is now Pershing County, Nevada, produced in 1909..... More