Pipestone Canyon Valley, a few miles north of the small town of Winthrop in the North Cascade Mountain Range in Washington State.
Image: David W. Morgan, 25 October 2008 [larger view].
The photographer, David Morgan, writes;
I am sending some pictures I took [in Washington State] while on a fossil collecting trip this past Saturday. [This image was] taken just a few miles north of Winthrop, WA while exploring the Pipestone Canyon area looking for Paleocene leaf impressions.