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1988 Map of The Knoll
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1988 Map of The Knoll

USGS Topo · Published 1988

About this map

The high plateau landscape of Grand and San Juan counties in the late 1980s is defined by a series of deep drainages and isolated landmarks. The Knoll serves as a central topographic anchor, overlooking the expansive Big Flat area where Big Flat Reservoir provides a rare water source. The map documents the intricate network of canyons that feed into larger systems, including Hell Roaring Canyon and Sevenmile Canyon.

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Map Details

Date Portrayed1988
Date Published1988
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.8 x 26.7 inches

Editions of this 1988 The Knoll Map

Historical Maps of Grand County Through Time

178 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain