Chicago, Illinois Natural Features / Marshes, Swamps

Latitude: 41.6893 (41°41′22″N), Longitude: -87.5714 (87°34′17″W)

Latitude: 41.8561 (41°51′22″N), Longitude: -87.6078 (87°36′28″W)

Latitude: 41.6755 (41°40′32″N), Longitude: -87.562 (87°33′43″W)

Latitude: 41.6746 (41°40′29″N), Longitude: -87.6135 (87°36′49″W)

Site: cityofchicago.org/content/dam/city/depts/zlup/Sust

Latitude: 41.8562 (41°51′22″N), Longitude: -87.6095 (87°36′34″W)

Latitude: 41.7021 (41°42′7″N), Longitude: -87.5791 (87°34′45″W)