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historical topo map of Dewey County, SD in 1978

1978 Map of Isabel SW

USGS Topo · Published 1979

This historical map portrays the area of Isabel SW in 1978, primarily covering Dewey County as well as portions of Ziebach 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 Isabel SW region at the time. Published in 1979, it is the sole known edition of this map.

Map Details

Date Portrayed1978
Date Published1979
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.9 inches

Editions of this 1978 Isabel SW Map

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

Historical Maps of Dewey County Through Time

44 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain