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1985 Map of Upper Glaston Lake
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1985 Map of Upper Glaston Lake

USGS Topo · Published 1985

About this map

Upper Glaston Lake and Lower Glaston Lake anchor this 1985 survey of the Sweet Grass County interior, reflecting a landscape managed for water control and ranching. The presence of the Upper Sweet Grass Canal and the Lower Sweet Grass Canal underscores the systematic irrigation efforts designed to divert flows from the Sweet Grass Creek drainage. These artificial waterways cut across a terrain otherwise defined by natural drainages like Rock Creek, Cayuse Creek, and Dead Beaver Creek.

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Map Details

Date Portrayed1985
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 27 inches

Editions of this 1985 Upper Glaston Lake Map

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

Historical Maps of Sweet Grass County Through Time

215 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain