Mine detail: Columbia Continental

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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

MRDS	OR01111
DEP	10098838
Reference	U S BUREAU OF MINES MILS RECORD
Reporter	Gray, Jerry J.