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Pawnee Mine (Oak Grove Mine; Carr Mine), Beauty Peak, Riverside Co., California, USA

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Latitude & Longitude (WGS84): 33° 25' 41'' North , 116° 42' 19'' West
Latitude & Longitude (decimal): 33.4280555556, -116.705277778
Other regions containing this locality:North America

A former W occurrence/mine located in the SE¼ sec. 31, T8S, R3E, SBM, 2.1 km (1.3 miles) SE of Beauty Peak (coordinates of record), 9.5 air miles E of Aguanga. NOTE: This mine is partially located in San Diego County. Elevation approx. 4,120 feet AMSL. MRDS database stated accuracy for this location is 500 meters.

Mineralization is hosted in granite and limestone. Scheelite occurs in a garnetiferous gangue. The ore body strikes N40E and dips vertical at a width of 2.44 meters and a length of 21.34 meters. Local rocks include pre-Cenozoic granitic and metamorphic rocks undivided.

Workings include surface and underground openings with an overall depth of 45.72 meters and comprised of a vertical shaft and a tunnel 30 feet below surface. Other levels at 90 and 140 feet with 100 feet of drifting on each level. A glory hole 70 feet by 6 to 8 feet in width was excavated on surface and connects to the tunnel by raises. A stope was mined on the 60 foot level.

Production data are found in: Tucker and Sampson (1940).

Ore mined was reported to contain 1½% WO3.

Mineral List

5 valid minerals.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Hess, Frank L. & Esper S. Larsen (1922), Contact-metamorphic tungsten deposits of the United States: USGS Bulletin 725: 261.

Tucker, W. Burling (1924a), Imperial, Inyo, Kern, Los Angeles, Riverside, San Bernardino, San Diego, Ventura Counties: California Mining Bureau. Report 20: 48.

Tucker, W. Burling & Reid J. Sampson (1940), Current mining activity in southern California: California Journal of Mines and Geology, California Division Mines (Report 36): 36(1): 48.

Tucker, W. Burling & Reid J. Sampson (1941), Recent developments in the tungsten resources of California: California Journal of Mines and Geology; California Division of Mines (Report 37): 37(4): 583-584.

Tucker, W. Burling & Reid J. Sampson (1945), Mineral resources of Riverside County: California Journal of Mines and Geology, California Division Mines (Report 41): 41(3): 156.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 177.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 387.

California Division of Mines and Geology Open-File Report 77-14 (1977): tabulated list, 988-991.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 367, 407, 483.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10103245 & 10164303.

U.S. Bureau of Mines Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060650102.

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