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1898 Map of Mt. Diablo, 1947 Print
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1898 Map of Mt. Diablo

USGS Topo · Published 1947

About this map

Mt. Diablo dominates this landscape, serving as the primary anchor for the Mt. Diablo Base Line and Mt. Diablo Meridian used to survey vast stretches of the American West. The northern slopes are defined by the presence of industrial coal-mining settlements like Nortonville, Somersville, and Stewartville, which were linked to the Delta by the Empire R. R. To the west, the village of Clayton sits at the foot of Mt. Zion, while the southern reaches showcase the early development of the San Ramon Valley with the rail-side towns of Danville and San Ramon. The rugged eastern canyons of Morgan Territory and Cañada de los Vaqueros offer a stark contrast to the emerging agricultural valleys, preserving the complex topography of the Black Hills and North Peak.

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Map Details

Date Portrayed1898
Date Published1947
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.9 x 20.8 inches

Editions of this 1898 Mt. Diablo Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain