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historical topo map of Valley County, MT in 1918

1918 Map of Porcupine Valley

USGS Topo · Published 1918

This historical map portrays the area of Porcupine Valley in 1918, primarily covering Valley County. Featuring a scale of 1:62500, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Porcupine Valley region at the time. Published in 1918, it is one of 2 known editions of this map due to revisions or reprints.

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Map Details

Date Portrayed1918
Date Published1918
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62500
Physical Dimensions16.4 x 19.8 inches

Editions of this 1918 Porcupine Valley Map

Historical Maps of Valley County Through Time

106 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain