Copperopolis is an unincorporated town and census-designated place in Calaveras County, California, United States. The population was 3,400 at the 2020 census, down from 3,671 at the 2010 census. Copperopolis is situated 3½ miles southeast of North Keystone Mine.

Felix

Hamlet

Felix is an unincorporated community in Calaveras County, California, in Salt Spring Valley 9.5 miles west-southwest of Angels Camp. It lies at an elevation of 1115 feet. A post office operated here from 1896 to 1923. Felix is situated 4½ miles northwest of North Keystone Mine.

Telegraph City

Hamlet

Telegraph City was an unincorporated town in Calaveras County, California. It lies at an elevation of 653 feet. First named Grasshopper City when it was started in the early 1860s, it was renamed in the 1870s for its location on the telegraph line between Stockton and Sonora. Telegraph City is situated 6 miles southwest of North Keystone Mine.

North Keystone Mine

Categories: mine and industry
Location: Calaveras County, Gold Country, California, United States, North America
View on OpenStreetMap

Latitude

37.98743° or 37° 59′ 15″ north

Longitude

-120.64993° or 120° 38′ 60″ west

Elevation

1,024 feet (312 metres)

Open location code

849XX9P2+X2

OpenStreetMap ID

node 369163195

OpenStreetMap feature

landuse=quarry

GeoNames ID

5377666

Wikidata ID

Q49436917

This page is based on OpenStreetMap, GeoNames, Wikidata, and Wikimedia Commons.

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Satellite Map

Discover North Keystone Mine from above in high-definition satellite imagery.

In Other Languages

“North Keystone Mine” goes by many names.

Cebuano: “North Keystone Mine”

Localities in the Area

Explore places such as Copperopolis and Copper Cove Village.

Nearby Places

Explore places such as Copperopolis Elementary School and Old Corner.

Calaveras County: Must-Visit Destinations

Delve into Angels Camp, Murphys, and Arnold.

Curious Places to Discover

Uncover intriguing places from every corner of the globe.

About Mapcarta. Data © OpenStreetMap contributors and available under the Open Database License". Text is available under the CC BY-SA 4.0 license, except for photos, directions, and the map. Photo: Wikimedia, CC0.