[Alta, UT]: [City Rocks Mining Company], October 5, 1911. Hand-colored blue line map [100 cm x 226 cm]/[39" x 89"] on two sheets. Bumping and chipping to both the left and right edges with some losses, with a closed tear [20 cm] to the lower right corner with a handful of shorter related tears and chips. The colors are bright. Item #4189
Large mine tunnel map for the City Rocks Mine that was located in the infamous mining town of Alta, Utah. With an inset map [45 cm x 53 cm]/[18" x 21"] titled 'Figure I. Geological Plan Map of Alta Dist. Utah.'
"City Rocks is considered one of the most valuable mining propositions in the Alta district, and despite the fact that large companies have gone into that region and purchased some valuable mining claims during the past year, this organization has remained unchanged, as the principal owners consider the ground too valuable to part with." - Salt Lake Telegram (1907-08-28).
Presumed unique. Rare.