Mine detail: Columbia Continental

Previously called ''

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Location

Lat / long: 45.40009, -122.36812

Resource(N)

Primary: Sand and Gravel, Construction

Production

Operation type: Unknown
Production size: Yes
Development status: Past Producer

Geology

References

MRDSOR01111
DEP10098838
ReferenceU S BUREAU OF MINES MILS RECORD
ReporterGray, Jerry J.