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1988 Map of Fossil Bay

Name: 1988 Topographic Map of Fossil Bay
Creator: U.S. Geological Survey
Published: 1988
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1988

About this map

The Havasupai Indian Reservation meets the northwestern edge of Grand Canyon National Park on this 1980s provisional survey, illustrating a landscape defined by deep side canyons and broad high terraces. The Colorado River flows through the Middle Granite Gorge at the southeastern corner, where the turbulent Fossil Rapids mark a significant descent in the river's path.

Elevated terrain features like Great Thumb Mesa and Kangaroo Headland dominate the central and eastern portions, while the namesake Fossil Bay sits below high points like Stanton Point. The transition from the high Tahuta Terrace down into Hundred and Forty Mile Canyon showcases the complex erosional patterns of the region's rim country. Other distinct landmarks include Gatagama Terrace and Alarcon Terrace, providing a detailed look at the geographical named features within this protected area.