1. Environmental Studies Program and Earth and Oceanographic Science Department Bowdoin College Brunswick Maine USA
2. Department of Biology St. Olaf College Northfield Minnesota USA
3. Department of Physics and Environmental Sciences Program Trinity College Hartford Connecticut USA
4. St. Croix Watershed Research Station Science Museum of Minnesota Marine on St. Croix Minnesota USA
5. Now at Washington State Department of Ecology Olympia Washington USA
6. Earth and Oceanographic Science Department Bowdoin College Brunswick Maine USA
7. Biology Department Bowdoin College Brunswick Maine USA
8. Cornell University Now at Department of Natural Resources Ithaca New York USA
9. Now at Jackson School of Geosciences University of Texas at Austin Austin Texas USA