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historical topo map of Petroleum County, MT in 1971

1971 Map of Hanson Flat

USGS Topo · Published 1975

This historical map portrays the area of Hanson Flat in 1971, primarily covering Petroleum County as well as portions of Fergus County and Phillips 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 Hanson Flat region at the time. Published in 1975, it is the sole known edition of this map.

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Map Details

Date Portrayed1971
Date Published1975
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22.1 x 27.2 inches

Editions of this 1971 Hanson Flat Map

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

Historical Maps of Petroleum County Through Time

34 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain