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Porter, Pamela E., and William R. Meehan. Seasonal species composition of invertebrates in several Oregon streams In Pacific Northwest Forest and Range Experiment Station (Portland, Or.). Research Paper PNW. Vol. no.382. Portland, Or.: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1987.
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Robinson, Anja M.. "Molluscan fisheries in Oregon: past, present, and future." In The history, present condition, and future of the molluscan fisheries of North and Central America and Europe: Volume 2, Pacific Coast and supplemental topics, edited by Clyde Jr. L. MacKenzie, Victor Jr. G. Burrell, Aaron Rosenfield and WIllis L. Hobart, p. 75-87. Vol. no.128, v.2. NOAA Technical Report NMFS no.128, v.2. Washington, D.C.: U.S. Government Printing Office, 1997.
Rudy, Paul Jr., Lynn Hay Rudy, and Jay F. Watson. Oregon Estuarine Invertebrates : an Illustrated Guide to the Common and Important Invertebrate Animals In FWS-OBS. Vol. no.83/16., 1983.

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