Aquatic animals; Aquatic environments; Biological control; Habitat conservation; Invasive species; Population control; Work of the Service;
This is a plan to prevent zebra mussels and other aquatic nuisance species from spreading westward. This document includes background on the issue, including the current and potential impacts, ecological, economic and otherwise, the spread of these...
Norm Johnson oral history interview as conducted by Dorothe Norton. An unidentified female, presumably Mr. Johnson's wife, takes part in the interview at various points.
