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1998
McMurray, Gregory R., and Robert J. Bailey. In Change in Pacific Northwest coastal ecosystems: proceedings of the Pacific Northwest Coastal Ecosystems Regional Study Workshop. Vol. no. 11. NOAA Coastal Ocean Program Decision Analysis Series no. 11. Troutdale, Oregon: NOAA Coastal Ocean Office, 1998.
McMurray, Gregory R., and Robert J. Bailey. Change in Pacific Northwest coastal ecosystems: proceedings of the Pacific Northwest Coastal Ecosystems Regional Study Workshop. Vol. no. 11. NOAA Coastal Ocean Program Decision Analysis Series no. 11. Troutdale, Oregon: NOAA Coastal Ocean Office, 1998.
1977
Oregon. Natural Heritage Program, and The Nature Conservancy. Oregon Natural Areas: Data Summary. Portland, OR: Oregon Land Conservation and Development Commission, 1977.
1972
Day, L. B.. Difficulties ahead for Oregon regarding estuary regulations, control and protection In The Proceedings of the Second Annual Technical Conference on Estuaries of the Pacific Northwest. Circular (Oregon State University. Engineering Experiment Station). no.44. Corvallis, OR: Oregon State University Engineering Experiment Station, 1972.
Grey, Zane. "The North Umpqua, Oregon." In Zane Grey: Outdoorsman; Zane Grey's Best Hunting and Fishing Tales Published in Commemoration of His Centennial Year, edited by George Reiger, p.269-280. Englewood Cliffs, N.J.: Prentice-Hall, 1972.