William N. Orr

Born: 1939

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Born: 1939

Books by William N. Orr (50 max)

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Geology of the Pacific Northwest

1995

Elizabeth L. Orr, William N. Orr

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Geology of The Pacific Northwest

2001

William N. Orr, Elizabeth Orr, William Orr

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A late Tertiary diatom flora from Oregon

1971

William N. Orr

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Handbook of Oregon plant and animal fossils

1981

William N. Orr

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Geology of the Pacific Northwest

2006

William N. Orr, Elizabeth L. Orr