Mine detail: Beecher No. 3

Previously called ''

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Location

Lat / long:

43.73329, -103.50056

Resource(B)

Primary:	Beryllium, Niobium (Columbium), Tantalum, Mica
Ore:	Beryl, Lepidolite, Mica, Spodumene

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer

Geology

Host type:

Pegmatite

References

MRDS	D002770
DEP	10009679
Reference	USGS PROF PAPER 247 PAGE 66, 70 & 7
Reporter	Hasler, J. William