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1927 Map of Calistoga

Name: 1927 Topographic Map of Calistoga
Creator: U.S. Geological Survey
Published: 1927
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1927

About this map

Mt St Helena dominates the northern reaches of this Napa Valley landscape, overlooking a region defined by early mining interests and agrarian estates in the mid-1920s. The presence of the Chicago and Helena Quicksilver Mines, along with the Oat Hill Mine and Coronado Mine, highlights a period when mercury extraction was a significant industrial driver in the rugged hills surrounding Calistoga.

The valley floor reflects an established rural network connected by the Southern Pacific railroad, which links Bale, Larkmead, and Dunaweal. Notable private holdings such as Langstry Ranch and Spring Hill Farm are documented alongside community cornerstones like the Pine Hill School and Alpine School. The inclusion of the Petrified Forest and the resort-oriented Mark West Springs captures the area's early 20th-century character as both a productive mining district and a burgeoning destination for natural wonders and health retreats.