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1985 Map of Poison Canyon, 1995 Print
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1985 Map of Poison Canyon

USGS Topo · Published 1995

About this map

Manti-La Sal National Forest dominates this mid-1980s provisional study, revealing a complex network of deep drainage systems and high plateaus. The topography is defined by the sharp descent from Elk Ridge into the Dark Canyon Wilderness, where Dark Canyon and its many tributaries, including Peavine Canyon and Horse Pasture Canyon, carve through the landscape. This map documents the area during a period of transition in land management, showing the Wilderness Boundary (Indefinite) established to protect these remote features.

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Map Details

Date Portrayed1985
Date Published1995
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.8 x 26.7 inches

Editions of this 1985 Poison Canyon Map

Historical Maps of San Juan County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain