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1970 Map of Carlson Coulee, 1973 Print
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1970 Map of Carlson Coulee

USGS Topo · Published 1973

About this map

Armstrong sits at the head of a complex drainage network in northern Montana, where the terrain is defined by deeply incised coulees cutting through the high plains. Surveyed in 1969, the map reveals a landscape dominated by seasonal watercourses and expansive grazing lands, transitioning between Liberty Co and Chouteau Co. The intricate contours of Pondera Coulee and Carlson Coulee show the erosion patterns typical of this semi-arid region, while the label for Bootlegger Trail to the west hints at the historic transport routes that once moved goods across these borderlands. The presence of Alkali Springs Coulee suggests the mineral-rich nature of the local water sources, providing a clear record of the geographic challenges faced by early ranchers and homesteaders in this corner of the state.

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Map Details

Date Portrayed1970
Date Published1973
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1970 Carlson Coulee Map

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

Historical Maps of Liberty County Through Time

162 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain