"Mortimer chronicles three centuries of inquiry into Lake Michigan from the Native Americans, who called it Michigani (Great Waters), to the French explorers, w
IFYGL is a program jointly sponsored by Canadian and U.S. National Committee for International Hydrological Decade for coordinated research into the physical, c
IFYGL is a program jointly sponsored by Canadian and U.S. National Committee for International Hydrological Decade for coordinated research into the physical, c