Great Lakes and Great Times: Michigan boasts four Great Lakes, 11,000 inland lakes, 36,000 miles of rivers and streams, 20 million acres of forests, 100 state and national parks and recreation areas, 1,300 miles of bike trails, 6,500 miles of snowmobile trails, the second-most ski areas in the nation, 650 public golf courses, 600 campgrounds, and an international dark-sky park-just for starters. Under direction of Supervisor or Transportation Maintenance Lead Worker 9, perform maintenance of state trunk lines within the right-of-way for geographic area assigned to the Bay Region Maintenance Garages and various tasks within the fifteen-county area of the Bay Region.