1993 Map of Musselshell
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1993 Map of Musselshell

USGS Topo · Published 1993

About this map

Winnett and the broad valley of Flatwillow Creek anchor this central Montana landscape, where the transition from the Little Snowy Mountains to the expansive Devils Basin defines the local geography. The map documents a complex water management and conservation network, featuring the Lake Mason National Wildlife Refuge and the War Horse National Wildlife Refuge. These areas, alongside numerous reservoirs like Petrolia Lake and Yellow Water Reservoir, reflect the importance of water storage in this semi-arid environment. Along the southern edge, the Musselshell River flows past the settlements of Musselshell and Delphia, accompanied by the Musselshell Ditch irrigation system. Industrial activity is represented by the Melstone Oil Field and the Little Wall Pumping Sta, highlighting the region's reliance on both natural resources and hydraulic infrastructure for its economic survival.


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Map Details

Date Portrayed1993
Date Published1993
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:100,000
Physical Dimensions36.1 x 24.1 inches

Editions of this 1993 Musselshell Map

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


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Source Details

CopyrightPublic Domain