Mine detail: Black Hump

Previously called 'Tuff'

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Location

Lat / long: 47.53039, -123.32626

Resource(M)

Tertiary: Manganese
Discovery year: 1924

Production

Operation type: Unknown
Development status: Past Producer

Geology

References

MRDSM700328
MAS530450002
DEP10204747
Reference{Deposit:: WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1,}{Deposit:: P. 260.}
ReporterRidenour, James