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1954 Map of Two Rock, 1973 Print
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1954 Map of Two Rock

USGS Topo · Published 1973

About this map

Dairy farming and agricultural traditions define this landscape at the Sonoma and Marin County line. The southern portion is dominated by the Two Rock Ranch Station Military Reservation, a significant signals intelligence installation during the Cold War. To the north, the terrain transitions into a patchwork of rural holdings centered around small crossroads such as Bloomfield, Hessel, and Cunningham. The map reveals a dense network of local education through schools like Hillcrest Sch, Gold Ridge Sch, and the Two Rock Union School, reflecting a settled rural community. Moving through the watershed, several branches including Americano Creek and Blucher Creek drain the hills of English Hill toward the Laguna de Santa Rosa. These waterways and the presence of features like the Quarry (Aband) near Roblar speak to a local economy once deeply tied to the land's natural resources and transport routes like the Gravenstein Highway.

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Map Details

Date Portrayed1954
Date Published1973
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.5 x 27 inches

Editions of this 1954 Two Rock Map

Historical Maps of Santa Rosa Through Time

133 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain