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1995 Map of Timbered Crater, 1998 Print
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1995 Map of Timbered Crater

USGS Topo · Published 1998

About this map

The volcanic landscape of northern California dominates this 1990s study, centered on the prominent Timbered Crater and the surrounding volcanic flows. The map details a complex geological transition where the basaltic terrain of Ahjumawi Lava Springs State Park meets the water-rich Hot Spring Valley. Numerous springs and reservoirs, including Bluebrush Spring, Little Hot Spring, and Green Place Reservoir, highlight how water is managed and sourced within this arid, lava-scarred environment. Mapping of the area reveals a wilderness defined by its past eruptions, with landmarks like Brushy Butte and various Lava fields. The convergence of three counties—Siskiyou, Modoc, and Shasta—occurs within these borders, showing how administrative boundaries were drawn across the rugged Cascades foothills and through portions of the Shasta National Forest.

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Map Details

Date Portrayed1995
Date Published1998
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.4 x 26.7 inches

Editions of this 1995 Timbered Crater Map

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

Historical Maps of Shasta County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain