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1986 Map of Lake Mason
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1986 Map of Lake Mason

USGS Topo · Published 1986

About this map

The Lake Mason National Wildlife Refuge dominates this Central Montana landscape in Musselshell County. The map details a specialized lacustrine environment where water management features like Dam 3610 and Spillway 3606 regulate the namesake Lake Mason. This 1986 provisional survey illustrates the importance of water storage and wildlife habitat in an arid region, with prominent basins including May Martin Lake, Talbot Lake, and Lake Thom interconnected by seasonal flows from Willow Creek. Beyond the wetlands, the terrain is marked by industrial activity, including several Oil Well sites, Tanks, and a Quarry, reflecting the area's dual role as a conservation zone and a resource extraction landscape. Researchers can trace the precise contours and drainage patterns that define this high-plains refuge system.

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Map Details

Date Portrayed1986
Date Published1986
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1986 Lake Mason Map

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

Historical Maps of Musselshell County Through Time

216 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain