Keystone Mine

Keystone Mine (HMHAP)

Location: Amador City, CA 95601 Amador County
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Country: United States of America
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N 38° 25.057', W 120° 49.423'

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Founded in 1851 from many claims. One of the most profitable and longest running mines. Joining with South Spring Hill Mine working till 1942. East shaft worked until 1952. Reached a depth of 2680'. Employed 100 men and produced $24,000,000 in gold.
Marker Number13
Year Placed2004
Placed ByAmador County Sesquicentennial
Marker ConditionNo reports yet
Date Added Friday, October 10th, 2014 at 7:15pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)10S E 689993 N 4254394
Decimal Degrees38.41761667, -120.82371667
Degrees and Decimal MinutesN 38° 25.057', W 120° 49.423'
Degrees, Minutes and Seconds38° 25' 3.42" N, 120° 49' 25.38" W
Driving DirectionsGoogle Maps
Area Code(s)209
Closest Postal AddressAt or near 1711 Old Calfornia 49, Amador City CA 95601, US
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