Mine detail: Howard Shaft

Previously called 'Howard Barnes Prop.'

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Location

Lat / long: 37.29067, -88.21833

Resource(N)

Tertiary: Fluorine-Fluorite
Other material: Fluorite, Sphalerite
Discovery year: 1903

Production

Operation type: Underground
Development status: Past Producer
First production started: 1941

Geology

References

MAS210550021
DEP10121848
Reference{Deposit:: HARDIN GEO C JR USGS BULL 1012 B 1955 P 34}{Deposit:: SWANSON A S AND STARNES X R BU MINES RI 4677 1950 P 11}{Deposit:: BUREAU OF MINES WAR MINERALS REPT 317 1944 P 18}
ReporterEastern Field Operations Center (EFOC)