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1991 Map of Thompson Knoll
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1991 Map of Thompson Knoll

USGS Topo · Published 1991

About this map

The Confusion Range dominates the eastern landscape of this Millard County interior, showing the stark transition into the Ferguson Desert to the southwest. This 1991 provisional survey, based on field checks from 1989, documents a region defined by arid hydrology and sparse resource extraction. Water management is critical in this environment, evidenced by the Thompson Knoll Reservoir near the topographic feature of Thompson Knoll and the Conger Reservoir to the north. Movement through the area is restricted to the Valley Road within Little Valley and various 4wd tracks that penetrate the canyons. Notable landforms such as Boobs Canyon and Center Canyon carve into the mountain front, while a Gravel Pit indicates localized industrial activity near the Sheepmens area.

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Map Details

Date Portrayed1991
Date Published1991
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.8 x 26.6 inches

Editions of this 1991 Thompson Knoll Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain