Marli B. Miller is a senior instructor and researcher at the University of Oregon. She completed her BA in geology at Colorado College in 1982 and her MS and PhD in structural geology at the University of Washington in 1987 and 1992, respectively. Marli teaches a variety of courses, including introductory geology, structural geology, field geology, and geophotography. In addition to numerous technical papers, she is the author of Oregon Rocks, Roadside Geology of Oregon, Roadside Geology of Washington with coauthor Darrel Cowan, and Geology of Death Valley National Park with coauthor Lauren A. Wright. Because she maintained an active interest in Colorado geology since college, she was thrilled to become a part of this project. Marli has two daughters, Lindsay and Megan.