Mine detail: Optimo No.3 Mine

Previously called 'Rolling Mine'

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Location

Lat / long:

42.92811, -90.27791

Resource(M)

Tertiary:

Zinc

Production

Operation type:	Underground
Development status:	Past Producer
First production started:	1915

Geology

References

MAS	550490059
DEP	10253785
Reporter	Eastern Field Operations Center (EFOC)