U.S. Geological Survey Photographic Library

ID. Weis, P. 32ct

Click on photo for higher resolution.

Titon Valley, Columnar Basalt Flows. Yakama County, Washington, 1970.

Titon Valley, Columnar Basalt Flows. Yakama County, Washington, 1970.

Image file: /htmllib/btch205/btch205j/btch205z/wei00032.jpg