The Altaville Grammar School in Altaville, California is one of the oldest grammar schools in California. It was built in 1858 of brick in the Greek Revival style and remained in use until 1950, when it was replaced by the Mark Twain Elementary School in Altaville. Altaville Grammar School is situated 2,700 feet southeast of Keystone Mine.

Angels Camp Museum

Museum

Angels Camp Museum is a history museum located in Angels Camp, California, in the United States. The museum focuses on the history of the California Gold Rush. Angels Camp Museum is situated 1½ miles southeast of Keystone Mine.

Sam Choy Brick Store

Building

Photo: Bobak, CC BY 3.0.

The Sam Choy Brick Store, Angels Camp, California, is the only building remaining from a large Chinese settlement during the California gold rush. It was listed on the National Register of Historic Places in 1984. Sam Choy Brick Store is situated 2 miles southeast of Keystone Mine.

Places in the Area

Nearby places include Altaville and Angels Camp.

Altaville

Hamlet

Altaville is a former unincorporated community in Calaveras County, California, now located in the northwest portion of the city of Angels Camp. It sits at an elevation of 1,542 feet above sea level and is located at, at the intersections of SR 49 and SR 4.

Angels Camp

Photo: Bobak, CC BY 3.0.

Angels Camp, is the only incorporated city in Calaveras County, California, United States. The population was 3,667 at the 2020 census. It lies at an elevation of 1381 feet.

Fourth Crossing

Hamlet

Fourth Crossing is an unincorporated community in Calaveras County, California. It lies at an elevation of 922 feet and is located on State Route 49 at. Fourth Crossing is situated 4½ miles northwest of Keystone Mine.

Keystone Mine

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

Latitude

38.08742° or 38° 5′ 15″ north

Longitude

-120.56937° or 120° 34′ 10″ west

Elevation

1,552 feet (473 metres)

Open location code

84CX3CPJ+X7

OpenStreetMap ID

node 369173254

OpenStreetMap feature

landuse=quarry

GeoNames ID

5363089

Wikidata ID

Q49423411

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

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Satellite Map

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

In Other Languages

“Keystone Mine” goes by many names.

Cebuano: “Keystone Mine (minahan sa Estados Unidos, California, Calaveras County, lat 38,09, long -120,57)”
Cebuano: “Keystone Mine”

Places with the Same Name

Discover other places named “Keystone Mine”.

Localities in the Area

Explore places such as La Honda Park and Vallecito.

Nearby Places

Explore places such as Travelodge Angels Camp and Food Mart.

Calaveras County: Must-Visit Destinations

Delve into Angels Camp, Murphys, and Arnold.

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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.