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1991 Map of Black Knolls

1991 Map of Black Knolls

USGS Topo · Published 1991

This historical map portrays the area of Black Knolls in 1991, primarily covering Grand County as well as portions of Uintah County. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Black Knolls region at the time. Published in 1991, it is the sole known edition of this map.


Map Details

Date Portrayed1991
Date Published1991
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.8 x 26.7 inches

Editions of this 1991 Black Knolls Map

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


Historical Maps of Grand County Through Time

115 maps found


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Source Details

CopyrightPublic Domain