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2018 Map of Two Rock

Name: 2018 Topographic Map of Two Rock
Creator: U.S. Geological Survey
Published: 2018
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2018

About this map

Two Rock and the surrounding agricultural valleys of Sonoma County are documented in this 2018 survey, reflecting a landscape defined by historic ranching crossroads and rural communities. The map details the transition from the hills of English Hill down toward the alluvial plains where Americano Cr and Stemple Cr drain westward. This area, historically settled for dairy and sheep ranching, maintains its rural character through established hamlets like Bloomfield, Hessel, and Turner.

Genealogists can find significant local markers at several burial grounds, including the Two Rock Presbyterian Church Cem and the Macedonia Cem near Cunningham. The map also captures the precise intersection of the Sonoma and Marin county line, tracing its path across the drainage of Americano Cr. Named rural road systems and property markers like Knowles Corner and Cadwell provide a contemporary look at the enduring parcel patterns of this coastal California region.