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1955 Map of Diorite, 1973 Print
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1955 Map of Diorite

USGS Topo · Published 1973

About this map

Mining operations and industrial rail lines define the landscape of Marquette County in the mid-1950s. The small settlement of Diorite serves as a hub for local extraction, situated at the junction of the Chicago and North Western and the Chicago Lake Superior and Ishpeming railroads. The map reveals a high concentration of iron and gold interests, ranging from the American Mine and Blueberry Mine to the Michigan Gold Mine and the Abandoned Barnes and Hecker Mine.

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Map Details

Date Portrayed1955
Date Published1973
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1955 Diorite Map

Historical Maps of Humboldt Township Through Time

220 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain