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1985 Map of O'Brien Hill
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1985 Map of O'Brien Hill

USGS Topo · Published 1985

About this map

O'Brien Hill dominates the central landscape of this high plains region, situated where the borders of several Montana counties converge. Compiled from 1977 aerial photography, the map reveals a rugged drainage network defined by the paths of Fish Creek, Rock Creek, and Simmons Creek. In the southern reaches, the winding course of Van Winkle Creek cuts through the terrain near the junction of Golden Valley and Stillwater counties. This provisional edition is characterized by its focus on topographic detail and water distribution across the ranching country, noting the precise location of numerous wells and springs that are vital to this semi-arid environment. The absence of major settlements highlights the land's utility for resource extraction and grazing during the late twentieth century.

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Map Details

Date Portrayed1985
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.7 inches

Editions of this 1985 O'Brien Hill Map

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

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain