Oregon Geology
Elizabeth L. Orr is the collections manager of the Condon Collection at the Museum of Natural and Cultural History at University of Oregon.William N. Orr, emeritus professor of geology at University of Oregon, is director of the Condon Collection. The Orrs have coauthoredGeology of the Pacific Northwest, Second Edition,Oregon Water: An Environmental History, andOregon Fossils,Second Edition (OSU Press).