<p>Written on front: Columbia River, Washington, east of Lake Chelan. View down the valley from terrace to 3 miles north of outlet of the lake. Terracing on the east bank of the river is due to the occupation of the valley by a lobe of the Okanagan glacier.
PH Coll 1415.9</p>
<bdi><a href="https://en.wikipedia.org/wiki/en:Bailey_Willis" class="extiw" title="w:en:Bailey Willis"><span title="American geologist">Bailey Willis</span></a>
</bdi>
<a rel="nofollow" class="external text" href="http://content.lib.washington.edu/epicweb/index.html">Glaciers and Landforms Photograph Collection</a>