The Madrill Dredge is a gold mine located in Amador county, California at an elevation of 151 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: 151 Feet (46 Meters)
Commodity: Gold
Lat, Long: 38.2251, -120.93450
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.
Madrill Dredge MRDS details
Site Name
Primary: Madrill Dredge
Commodity
Primary: Gold
Location
State: California
County: Amador
Land Status
Land ownership: Unknown
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
Owner Name: George Madrill (Modrell)
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Alluvial gold
Operation Type: Placer
Mining Method: Dredging
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
Not available
Comments
Comment (Location): The dredge was on the north side of the Mokelumne River. That area is now underwater. This area is an estimated location.
References
Reference (Deposit): US Bureau of Mines Yearbook, 1954 V. 3, P. 201
Reference (Deposit): California Journal of MINES AND Geology, V. 50, No. 1, JAN 1954, P. 199, p. 264, and Plate 1, no. 58.
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.
