Black Negro

The Black Negro is a manganese mine located in Baker county, Oregon.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Black Negro  

State:  Oregon

County:  Baker


Primary Mineral: Manganese

Lat, Long: 44.73083, -117.56083

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Satelite image of the Black Negro

Black Negro MRDS details

Site Name

Primary: Black Negro
Secondary: Black Nigger


Primary: Manganese


State: Oregon
County: Baker
District: Pleasant Valley

Land Status

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Record Type: Site
Operation Category: Prospect
Operation Type: Surface
Discovery Year: 1942
Years of Production:
Significant: N


General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section

Mineral Deposit Model

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Analytical Data

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Comment (Names): The original site name contained a derogatory word that has been changed according to Department of the Interior policy outlined at See Chap. 3, Policy V. The revised form of the name now appears in the permanent record as the "Current" or preferred site name, and the prior, derogatory name is labeled "Previous".


Reference (Deposit): U.S. Bureau Of Mines Report of Investigation 5472, 1959, P. 6-7.

Reference (Deposit): U.S. Geological Survey Bulletin 725-C, 1921, P. 224.

Reference (Deposit): Brooks, H.C., Mcintyre, J.R., And Walker, G.W., 1976 Geologic Map Of The Oregon Part Of The Baker 1deg By 2deg Quadrangle, ODGMI GMS-7, Geol. Map

Reference (Deposit): Oregon Metal Mines Handbook, 1939 , ODGMI Bulletin 14 - A, P. 71 .

Reference (Deposit): Libbey, F. W., Et. Al., 1942 , Manganese In Oregon: ODGMI Bulletin 17 , P. 50

Oregon Gold

Where to Find Gold in Oregon

"Where to Find Gold in Oregon" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Oregon. Read more at Where to Find Gold in Oregon.