May Day Mine

The May Day Mine is a tungsten mine located in San Bernardino county, California at an elevation of 4,321 feet.

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

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.

Site Name

Primary: May Day Mine
Secondary: Mayday Tungsten Mine
Secondary: White Dollar Mine

Commodity

Primary: Tungsten

Location

State: California
County: San Bernardino

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Year First Production: 1952
Discovery Year: 1951
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Sonoran Desert

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Comment (Location): CALIF. JOUR. MINES AND GEOL., V. 39, 1943, P. 504 ERRONEOUSLY LISTS THE LOCATION OF THIS MINE IN T. 7 N., R. 3 E. IT IS CORRECTLY IDENTIFIED IN THE OTHER REFERENCES AS T. 7 N., R. 2 E.

References

Reference (Deposit): P. 5.

Reference (Deposit): CALIF. JOUR. MINES AND GEOL., V. 49, 1953, P. 153.

Reference (Deposit): CALIF. DIV. MINES AND GEOLOGY SPECIAL REPORT 77, P. 43-44,

Reference (Deposit): PL. 1.

Reference (Deposit): CALIF. JOUR. MINES AND GEOL., V. 39, 1943, P. 504.

Reference (Deposit): U.S. GEOLOGICAL SURVEY MISCELLANEOUS GEOLOGIC INVESITGATIONS

Reference (Deposit): MAP I-427, SCALE 1:62,500, 1964, AND ACCOMPANYING TEXT,

Reference (Deposit): SOUTHERN PACIFIC CO., 1964, MINERALS FOR INDUSTRY, VOL. III-

Reference (Deposit): SOUTHERN CALIFORNIA, P. 152.

California Gold

"Where to Find Gold in California" 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 California. Read more: Where to Find Gold in California.