1988 Map of Powell Plateau
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1988 Map of Powell Plateau

USGS Topo · Published 1988

About this map

Colorado River navigation and the complex geology of the western canyon floor define this 1980s provisional study. The map documents a sequence of high-energy water features including Tapeats Rapids, Deubendorff Rapids, and Bedrock Rapids as they cut through the Granite Gorge. These river landmarks are framed by a series of dramatic geographic benches named for historical figures and explorers, such as Garces Terrace, Alarcon Terrace, and De Vaca Terrace.


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Map Details

Date Portrayed1988
Date Published1988
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

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Source Details

CopyrightPublic Domain