1959 Map of In-ko-pah Gorge, 1978 Print

1959 Map of In-ko-pah Gorge

USGS Topo · Published 1978

This historical map portrays the area of In-ko-pah Gorge in 1959, primarily covering Imperial County as well as portions of San Diego 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 In-ko-pah Gorge region at the time. Published in 1978, it is one of 3 known editions of this map due to revisions or reprints.


Map Details

Date Portrayed1959
Date Published1978
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 27.8 inches

Editions of this 1959 In-ko-pah Gorge Map


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Source Details

CopyrightPublic Domain