| 1 | The Chicago waterways also have other access points to Lake Michigan. | |
| 2 | Chicago sits next to Lake Michigan, one of North America' s Great Lakes. | |
| 3 | And as the Lake Michigan floor north of Green Bay rises, all that water sloshes south towards Chicago. | |
| 4 | In 2007 a refinery in Indiana received a permit to increase discharges into Lake Michigan. | |
| 5 | In 2007 a refinery in Indiana received a permit to increase discharges into Lake Michigan. |