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U.S. Geological Survey
Open-File Report 2006-1069
Version 1.0

Oregon Geology—Parent of the Soil, Foundation for the Vine

By Ray Wells

photo of grape vines with basalt boulder in foreground; GPS unit sits on 2-foot boulder for scale

This presentation describes USGS geologic mapping in western Oregon, geologic map products, a thumbnail sketch of geologic history, a discussion of new mapping in progress in northwest Oregon, a tour of northwest Oregon geologic units, their relation to new American Viticultural Areas, and online sources of information.

Download this report as a 39-page PDF document (13.7 MB)

For questions about the content of this report, contact Ray Wells.

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Maintained by: Michael Diggles
Date created: March 16, 2006
Date last modified: August 1, 2006 (mfd)