Category: Science - Earth/Agricultural/Farming

The Geologic Setting of the John Day Country: Grant County, Oregon

Thayer, Thomas P., 1907-2004· 2 chapters· 4,764 words

One of the Pacific Northwest’s most notable outdoor recreation areas, the “John Day Country” in northeastern Oregon, is named after a native Virginian who was a member of the Astor expedition to the mouth of the Columbia River in 1812.

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1. Part 1

One of the Pacific Northwest’s most notable outdoor recreation areas, the “John Day Country” in northeastern Oregon, is named after a native Virginian who was a member of the As...

2. Part 2

_Fox Valley._ Down-warped flows of Picture Gorge Basalt dip toward Fox Valley from all sides to form a basin (Fig. 12). The valley is eroded out of ashy beds and gravels of the...