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1989 Map of Grayhorse Creek
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1989 Map of Grayhorse Creek

USGS Topo · Published 1989

About this map

Threemile Creek and Ambrose Creek define the drainage patterns of this Bitterroot Valley landscape during the late 1980s. The agricultural character of the western flats is anchored by the Lone Rock School and its adjacent Athletic Field, where the Bitterroot Irrigation District Canal winds through the terrain to support local ranching. This waterway represents a vital piece of local infrastructure, marked by a Siphon as it crosses the valley floor.

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Map Details

Date Portrayed1989
Date Published1989
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1989 Grayhorse Creek 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