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historical topo map of Iron County, MI in 1985

1985 Map of Porter Lake

USGS Topo · Published 1986

This historical map portrays the area of Porter Lake in 1985, primarily covering Iron County. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Porter Lake region at the time. Published in 1986, it is the sole known edition of this map.

Map Details

Date Portrayed1985
Date Published1986
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.9 x 26.8 inches

Editions of this 1985 Porter Lake Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Iron County Through Time

42 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain