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1986 Map of Alder Lake
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1986 Map of Alder Lake

USGS Topo · Published 1986

About this map

Yellowstone National Park dominates this landscape, where the cold waters of Yellowstone Lake split into the South Arm Yellowstone Lake and the Southeast Arm Yellowstone Lake. This 1986 provisional survey documents a largely roadless interior defined by the Continental Divide and the high elevations of the Two Ocean Plateau. Local landmarks like The Promontory and Chicken Ridge rise above the drainage basins of Grouse Creek and Chipmunk Creek. Evidence of human presence is minimal, noted only by a lone Cabin and the Peale Island site, which were accessible primarily via a Pack Trail winding through the timber. The Molly Islands sit isolated in the southern reaches of the lake, providing a look at this protected wilderness before modern digital mapping replaced traditional field checks.

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Map Details

Date Portrayed1986
Date Published1986
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.7 x 26.9 inches

Editions of this 1986 Alder Lake 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