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Willamette Valley: Flood Channels, Ripple Marks, Erratics and Wine Driving Guide

$6.00

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Description

A self-guided driving tour showing how the inflowing waters of the Lake Missoula Flood shaped the north western portion of the Willamette Valley. Includes Tonquin and Yamhill flood channels, Chehalem Creek flood channel and ripple marks, Holmes Gap flood channel and ripple marks, Erratic Rock State Natural Site, other glacial erratic boulders and a visit to two wineries.

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