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Giannico, Guillermo R., and Jon A. Souder. Tide gates in the Pacific Northwest:  operation, types, and environmental effects In ORESU-T. Vol. no.05-001. Corvallis, Or.: Sea Grant Oregon, Oregon State University , 2005.

Giannico, Guillermo R., and Jon A. Souder. The effects of tide gates on estuarine habitats and migratory fish In ORESU-G. Vol. no.04-002. Corvallis, Or.: Sea Grant Oregon, Oregon State University , 2004.