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William N. Orr

William N. Orr, Professor Emeritus of Geology at University of Oregon, is director of the Condon Collection. The Orrs coauthored Geology of the Pacific Northwest, Second Edition and Oregon Water: An Environmental History.

Books by this Author

Oregon Geology

Because Oregon sits on the leading edge of a moving crustal plate, a striking diversity of geologic events have molded its topography. Over a century...

| paperback | $24.95

Oregon Fossils

This revised and expanded edition of Oregon Fossils includes a record of all known fossils in Oregon going back 400 million years, along with collecting...

| paperback | $29.95

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