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1985 Map of Gregory Butte

Name: 1985 Topographic Map of Gregory Butte
Creator: U.S. Geological Survey
Published: 1985
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1985

About this map

Lake Powell dominates this mid-1980s landscape, illustrating the flooded canyons following the completion of the Glen Canyon Dam. The map highlights the transition of the Colorado River into a massive reservoir, with the Normal Pool Elevation 3700 contour marking the new shoreline. Significant landforms like Gregory Butte and Gooseneck Point stand as high-elevation remnants above the water, while deep inlets such as Last Chance Bay and Friendship Cove snake into the surrounding Mesa terrain.

South of the river, the Navajo Indian Reservation includes indigenous place names such as Adeiyi Taah and Sei Billikoon. The vastness of the Glen Canyon National Recreation Area is evident, showing very few developed routes aside from occasional trails and jeep trails. This survey captures the region as a primary recreational destination, defined by its complex waterway system and steep-walled canyons like Dungeon Canyon.