The Long Ledge No.One is a mine located in Fresno county, California at an elevation of 1,759 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
Elevation: 1,759 Feet (536 Meters)
Commodity:
Lat, Long: 36.875, -119.29720
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.
Long Ledge No.One MRDS details
Site Name
Primary: Long Ledge No.One
Secondary: Woods Mine
Secondary: Grizzly Bear Mine
Commodity
Tertiary: Chromium
Tertiary: Iron
Location
State: California
County: Fresno
District: Pine Flt-Trimmr
Land Status
Land ownership: National Forest
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: Located Claim
Workings
Not available
Ownership
Owner Name: U.S. Forest Service
Percent: 100.0
Home Office: California
Info Year: 1976
Owner Name: G. E. Wood And John Mcgirr-Last Operators-1918
Home Office: California
Info Year: 1976
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Mining Method: Unknown
Year First Production: 1916
Discovery Year: 1916
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Unknown: Chromite
Unknown: Olivine
Unknown: Pyroxene
Unknown: Serpentine
Unknown: Talc
Comments
Comment (Deposit): LONG LEDGE NO.1 APPEARS TO BE THE BEST PROSPECT OF THE LONG L OUP. RESERVE ESTIMATED FROM RECORD 700. 250 TONS WAS SHIPPED DURING WORLDWAR I. MINE VISTED 13 AUGUST 1975,AND SOME.ORE REMAINS IN PLACE. AVERAGE MINABLE GRADES OF CHROMITE 10% AND IRON 3% INADEQUATE RESOURCE FOR COST ANALYSIS. ANALYSIS BY CDMG IN 1976 GAVE FOLLOWING PERCENTAGES-MASSIVE 2 08.60,CR2O3 40.92,FEO 08.40,TOTAL FE 16.72,AL203 11.34,MGO CR/FE 2.15.
References
Reference (Deposit): CAL JOUR MINES & GEOLOGY V.47 NO.3,P 545; PL 31 JULY 1951
Reference (Deposit): CAL DOM BULL 134 PL 3 CHAP 3 P.91-2,101; PL 6
Reference (Deposit): COOP WAR MINERAL INVEST PROJ,FRESNO CO.,NO.19, TALIAFERRO 19
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.
