Ellen Morris Bishop holds a Ph.D. in geology with a specialization in the exotic terranes of the Northwest. She teaches geology and environmental studies at Whitman College in Walla Walla, Washington. Ellen works to unveil geologic stories through images and words that tell the science in rich and compelling detail. She is an accomplished photographer who's images are used by the Nature Conservancy, Sierra Club, National Park Service, Oregon State Parks, and many others. Ellen is also the author of In Search of Ancient Oregon (Timber Press, 2004), the Field Guide to Pacific Northwest Geology (in prep, Oregon State University Press), and other works.

The Land Trust was extremely pleased to host her for a presentation on the geologic history of the Three Sisters and Whychus Creek.  View and listen to the presentation in it's entirety below.