Mine detail: Rainbow Claims

Previously called ''

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Location

Lat / long: 44.9666, -107.88405

Resource(M)

Primary: Niobium (Columbium), Tantalum, REE
Ore: Euxenite

Production

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

Geology

References

MRDSD001900
DEP10009182
ReferencePARKER, R. L., 1963, NIOBIUM AND TANTALUM IN THE U. S., USGS MINERAL INVESTIGATIONS RESOURCE MAP MR - 3
ReporterParker, Raymond L.