Mine detail: Trego

Previously called 'Great Northern'

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Location

Lat / long:

42.74921, -90.47681

Resource(M)

Tertiary:	Zinc
Discovery year:	1905

Production

Operation type:	Underground
Development status:	Past Producer
First production started:	1905

Geology

References

MAS	550430054
DEP	10302579
Reporter	Schmidt