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Eileen H. Helmer, Ecologist

Forests & Plants Wildlife

Front cover of Dr. Eileen H. Helmer Collector Card

Ph.D., Oregon State University
USDA Forest Service Scientist
Ecologists help study the relationships among organisms and between organisms and their environment.

Ph.D., Oregon State University
USDA Forest Service Scientist
Ecologists help study the relationships among organisms and between organisms and their environment.

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