Mine detail: Helmer Bros.

Previously called ''

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Location

Lat / long: 39.32412, -104.91977

Resource(N)

Primary: Fire Clay (Refractory)

Production

Operation type: Unknown
Production size: None
Development status: Occurrence

Geology

References

MRDSDC03104
DEP10017226
Reference{Deposit:: USBM RI 5553, 1959, P. 56-57}{Deposit:: USGS BULL 1102, 1961, PL. 1}{Deposit:: COLO. BUREAU OF MINES, 1945, LIST OF OPERATING MINES, MILLS, ETC.}{Deposit:: CONSV. DIV. COMP. DATE, 2,62}
ReporterConservation Division Files