historical topo map of Lewis and Clark County, MT in 1970

1970 Map of Prairie Reef

USGS Topo · Published 1983

This historical map portrays the area of Prairie Reef in 1970, primarily covering Lewis and Clark County as well as portions of Powell 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 Prairie Reef region at the time. Published in 1983, it is one of 3 known editions of this map due to revisions or reprints.

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Map Details

Date Portrayed1970
Date Published1983
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.7 inches

Editions of this 1970 Prairie Reef Map


Historical Maps of Lewis and Clark County Through Time

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Source Details

CopyrightPublic Domain