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Bald Eagle Mine, Independence, Railroad Flat District, Calaveras Co., California, USA
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Latitude: 38°21'48"N
Longitude: 120°31'9"W
A former lode Au mine located in the NW¼ (estimated) sec. 23, T6N, R13E, MDM, 1.6 km (1.0 mile) NNW of Independence (on the ridge on the S side of the South Fork Mokelumne River, 1¾ miles N of Railroad Flat). Operated during the 1870's, 1880's & 1890's. MRDS database stated accuracy for this location is 100 meters.

NOTE: USGS MRDS file #10029333 presents geographic coordinates of 120.51351W, 38.27547N, which places the mine in sec. 23, T5N, and is in obvious error. The correct latitude value is found in MRDS file #10235172.

Mineralization is a vein deposit hosted in mica schist. The ore body is a vein 1½ to 13 feet thick (3.96 meters maximum) with a nearly vertical dip. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).

Workings include underground openings comprised of adits and a winze.

Production data are found in: Clark, Wm. B. & P.A. Lydon (1962).

No production record was found. Prospected again around 1925 and again during the period 1934-1935.

Mineral List


2 entries listed. 2 valid minerals.

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Mining and Scientific Press (1870), (7/9/1870): 28.

Mining and Scientific Press (1891), (8/15/1891): 98.

Logan, Clarence August and Franke, H. (1936), Mines and Mineral Resources of Calaveras Co.: California Division of Mines, California Journal of Mines & Geology: 32(3): 297.

Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2; [… Geological Society of America Proceedings, 1933: 312-313, 1934]: 38-39, 136, Pl. B.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 16 (map 2-6).

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10029333 & 10235172.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060090656.

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