Mine detail: Helena-Roachdale Mine

Previously called ''

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Location

Lat / long:

42.57751, -90.30201

Resource(M)

Tertiary:

Lead, Zinc

Production

Operation type:	Underground
Development status:	Past Producer
First production started:	1890

Geology

References

MAS	550650081
DEP	10132782
Reporter	Eastern Field Operations Center (EFOC)