Great Lakes Areas of Concern rivers, and oceans causing pollution and buildup of sediment. Nonpoint source pollution is said to be the most problematic and hardest to reverse of the types of pollution because it is so hard to regulate and pinpoint where it originates. Many experts agree that nonpoint source pollution is the biggest concern facing the Great Lakes. With the increase of urbanization, a toll has been taken on the lakes in these areas. Lakes that once had stable ecosystems with the appropriate amount of plant life are now full of massive amounts of plants and algae that have been fed by excess
Great Lakes Aircraft Company is what most people recognize first when looking at a Sport Trainer. At its peak, Great Lakes had as many as 650 deposits for new aircraft. With the onset of the great depression, the Great Lakes Aircraft Company went out of business closing their doors in 1936. The company built just 264 of the Sport Trainers ordered. As the years went by, the original Cirrus engine installation was replaced by Warner radials, inline Menascos or Fairchild-Rangers, and horizontally-opposed Lycomings, Franklins, or Continentals. Tex Rankin, a stunt pilot of the 30s and 40's, made the Great Lakes Sport Trainer famous. He