Fort Seward Mine

The Fort Seward Mine is a mine located in Humboldt county, California at an elevation of 2,890 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: Fort Seward Mine
Secondary: Woods Mine

Commodity

Tertiary: Manganese
Tertiary: Silica

Location

State: California
County: Humboldt

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

Type: Fee Ownership

Workings

Not available

Ownership

Owner Name: Glen Adkinson
Home Office: California
Info Year: 1975

Owner Name: Fort Seward Ranch
Percent: 100.0
Home Office: California
Info Year: 1975

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Mining Method: Unknown
Year First Production: 1918
Discovery Year: 1917
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Unknown: Chert
Unknown: Hematite
Unknown: Quartz
Unknown: Rhodochrosite
Unknown: Psilomelane

Comments

Comment (Reserve-Resource): RESOURCE FIGURES WERE REVISED BASED ON THE EXAMINATION REPORT.

References

Reference (Deposit): TRASK-GEO DESCRIPT MN DEPS OF CAL-CAL DIV OF MINES BUL 152-A

Reference (Deposit): TRENGOVE-RECON OF CAL MN DEPS-USBM RPT OF INVEST 5579-1960

Reference (Deposit): JENKINS-MN IN CALIF-CAL DIV OF MINES BUL 125-DEC 1943

Reference (Deposit): DAVIS & WOODFORD-UNPUB RPT CAL STATE COUNCIL FOR DEFENSE-191

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.