Helgen, Judy
Judy works for the State of Minnesota working on biological indicators of water pollution, wetlands and streams using the critters in the wetlands and streams to tell us how healthy that water is.
April 19, 2024 | there are 2246 presenters in the archive | there are 18642 recordings in the archive | welcome |
Audio ArchiveHelgen, JudyJudy works for the State of Minnesota working on biological indicators of water pollution, wetlands and streams using the critters in the wetlands and streams to tell us how healthy that water is. Recordings in This Collection |
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Holden wishes to express appreciation to PLU, Pacific Lutheran University, for their support of the Holden Audio Archive Project. |