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1985 Map of Henrie Knolls

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

USGS Topo · Published 1985

About this map

The Markagunt Plateau dominates this mid-1980s landscape, where the high-altitude terrain of the Dixie National Forest reveals a complex network of volcanic and hydrologic features. The topography is defined by the prominent volcanic cones of the Henrie Knolls and the sprawling Tippets Valley. Of particular interest to those studying the unique drainage of this region are the Duck Creek Sinks, where surface water disappears into the subterranean karst system of the plateau.

Hydraulic life on the plateau is further marked by a series of high-country water sources, including Aspen-Mirror Lake, Duck Lake, and numerous named seeps like Dry Camp Valley Spring. Human activity is concentrated along the Midway thoroughfare and a mountain Campground, supporting seasonal recreation and resource extraction, such as the isolated Gravel Pit near the Garfield and Kane County lines. The map also delineates the convergence of several county boundaries, including the intersection of Iron, Garfield, and Kane counties.