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1987 Map of Ant Knoll

Name: 1987 Topographic Map of Ant Knoll
Creator: U.S. Geological Survey
Published: 1987
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1987

About this map

Bullfrog Benches and the high plateaus of Garfield County define this high-desert landscape during the late 1980s. The terrain is dominated by complex geological formations, including Coal Bed Mesa, No Man Mesa, and the prominent Ant Knoll. These features illustrate the erosion patterns of the Colorado Plateau, where drainages like Pennell Creek and Bullfrog Creek have carved deep into the earth.

Evidence of human activity is sparse but telling, centered on the Hoskinnini Road and a solitary prospect near the eastern edge. Named water sources such as Eggnog Spring and Saleratus Spring highlight the critical importance of reliable water in this arid environment. The map captures a moment when traditional land use, likely involving cattle grazing on Pennell Bench and Cow Flat, coexisted with the early exploration of the region's mineral potential.