Mine detail: Boston & Lake Superior Exploration

Previously called ''

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Location

Lat / long:

46.66389, -89.38952

Resource(M)

Primary:	Copper
Orebody form:	IRREGULAR

Production

Operation type:	Underground
Deposit type:	Fissure
Production size:	Unknown
Development status:	Prospect
First production started:	1849
Last production ended:	1854

Geology

Host rock:	Portage Lake Volcanics
Host type:	Basalt
Structure:	Syncline

References

MRDS	LW00123
DEP	10310123
Reference	JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 22-23, SITE ID # 660012, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
Reporter	Anderson, Arlene (M. Gere)