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1985 Map of Dovetail Butte
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1985 Map of Dovetail Butte

USGS Topo · Published 1985

About this map

The Sacagawea River winds through this arid Montana landscape on the border of Fergus and Petroleum Counties. This 1985 survey captures a terrain defined by an intricate network of erosional drainages, including Wolf Coulee and Whisker Coulee, which carve through the high plains toward the river valley. The topography is dominated by the prominent landmark of Dovetail Butte in the southeast and the strategic Chimney Crossing to the west. While no major towns are shown, the nomenclature of the landscape—with names like Rasmussen Coulee, Pickerd Coulee, and Connoly Coulee—suggests the deep influence of early ranching families and homesteaders on the local geography. The map provides a detailed look at the drainage patterns of the Missouri River basin before late-century changes in land use and ranching practices.

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Map Details

Date Portrayed1985
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22.1 x 27.1 inches

Editions of this 1985 Dovetail Butte Map

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

Historical Maps of Petroleum County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain