Mine detail: Sperry Mine and Mill

Previously called ''

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Location

Lat / long:

40.98312, -91.19203

Resource(N)

Primary:

Gypsum-Anhydrite

Production

Operation type:	Underground
Development status:	Producer

Geology

References

MAS	190570024
DEP	10169752
Reference	{Deposit:: WAPSIPINICON FORMATION}{Deposit:: ROOM AND PILLAR METHOD, SHAFT 610 FT. DEEP}{Deposit:: MSHA 1982 METAL-NONMETAL MINE FILE REF.}
Reporter	Igs / Dh