By Nester, Robert T..
.
7 páginas , Nester, R.T.-U.S. Fish and Wildlife Service, National Fisheries Research center-Great Lakes - 1451 Green Road, Ann Arbor, Michigan 48105, USA

Place hold on Visual observations of historical lake trout spawning grounds in Western lake Huron

By Edsall, Thomas a..
.
11 páginas , Poe, T. P.-U.S. Fish and Wildlife Service, National Fisheries Research Center-Seattle, Willard Substation, Star Route, Cook, Washington 98605, U.S.A

Place hold on Side-scan sonar mapping of Lake Trout spawning habitat in Northern Lake Michigan