1
Published 1979.
Subjects: ';
“...Reservoir ecology Skagit River (B.C. and Wash.)...”Report Number(s): APA 353 APA 433 SUS 230
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2
Published [1980]
Subjects: ';
“...Habitat (Ecology) Research Alaska Susitna River Watershed Methodology....”Report Number(s): APA 1316 SUS 333
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3
Published [1984]
Subjects: ';
“...Ecological assessment (Biology) Alaska Susitna River Valley....”Report Number(s): APA 1199 SUS 283
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