The Hammond River Placer is a gold mine located in Alaska.
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
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Hammond River Placer MRDS details
Site Name
Primary: Hammond River Placer
Commodity
Primary: Gold
Location
State: Alaska
District: Koyukuk District
Land Status
Land ownership: BLM Administrative Area
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
Type: Surface/Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1900
Year Last Production: 1940
Discovery Year: 1900
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: PAY GRAVEL
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: GOLD FINENESS 961.
Materials
Ore: Gold
Gangue: Pyrite
Comments
Comment (Deposit): A 137 TOZ NUGGET RECOVERED (1913). BURIED PLACER EXTENDS INTO MIDDLE FORK VALLEY WERE IT WAS TRUNCATED BY GLACIATION. ; INFO.SRC : 1 PUB LIT
Comment (Location): LOCATION AT JUNCTION WITH GOLDBOTTOM GULCH; PLACER INCLUDES AT LEAST 6 MI UPSTREAM AND DOWNSTREAM FROM LOCATION. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Production): AVE. VALUE WAS 1.46 DOLLARS PER SQ. FT.; ADDITION SIGNIFICANT PRODUCTION IN 1915.
Comment (Development): EXPL.COM: PROPERTY WAS AT LEAST ACTIVE IN 1900-05, 1911-1916, 1922, 1927-28, 1931-36, 1939-40.
Comment (Deposit): MINOR MODERN PLACER CONTRIBUTION; PAY GRAVEL FROM 8 TO 10 FT THICK
Comment (Workings): DEEP, FROZEN GOLD-BEARING GRAVELS, LOCALLY THAWED ON BEDROCK. WORKINGS ON LOWER 13 MI OF RIVER; WATER PROBLEMS SIGNIFICANT IN DRIFT MINES (1915).
Comment (Geology): GEOL.COM: PLACER PROBABLY INCLUDES THOSE AT THE MOUTHS OF SWIFT, GOLDBOTTOM, AND BUCKEYE GULCHES. ; MAJOR.UNITS: BEDROCK IS SCHIST
References
Reference (Production): USGS BULL 532, P. 69,
Reference (Deposit): REED, 1938, ALASKA DEPT OF MINES UNPUBL REPT, P. 49-58.
Reference (Deposit): USGS BULL 532, P. 69, 95-97.
Reference (Deposit): USGS OFR 76-340, P. 114-115.
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These ten states contributed the most to the gold production that built the West from 1848 through the 1930s. The Top Ten Gold Producing States.
