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1993 Map of Mount St. Helena
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1993 Map of Mount St. Helena

USGS Topo · Published 1993

About this map

Mount St Helena dominates this high-elevation landscape where the borders of Sonoma, Lake, and Napa counties converge. The terrain is defined by the steep ridges of the Mayacmas Mountains, featuring prominent landmarks like Pilot Knob and Goat Roost Rock. Geothermal energy production is a visible industry here, evidenced by numerous Geothermal Wells and specialized infrastructure scattered near Big Sulphur Creek.

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Map Details

Date Portrayed1993
Date Published1993
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 26.6 inches

Editions of this 1993 Mount St. Helena Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain