Jacumba Manganese group (Del Monte prospect; Ramrod prospect; Jacumba deposits; Jacumba group), Jacumba, Jacumba District, San Diego Co., California, USA
Latitude: 32°37'30"N
Longitude: 116°12'30"W
A Mn occurrence/prospect located 2.0 km (6,600 feet) WNW of Jacumba.
References
Tucker, W. Burling (1925a), San Diego, Ventura Counties: California Mining Bureau. (Report 21): 21: 350.
Weber, F.H., Jr. (1963a), Mines and mineral resources of San Diego County, California; California Division of Mines and Geology, County Report 3, 309 pp.: No. 311, p. 191.
Mineral List
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