Calumet Harbor, IN Mystery Bitumen; S Walton Dr, Chicago, IL 60617, USA
S Walton Dr, Chicago, IL 60617, USA | 2017-Aug-25
Initial Notification: On August 25th, 2017, USCG MSU Chicago contacted the Great Lakes SSC concerning a mystery bitumen that was discovered by the USACE during a rock removal project in the Calumet Harbor. The USACE requested assistance in determination of whether the material was naturally occurring.
Incident Details
Primary threat: | Oil |
Products of concern: | Bitumen |
Latitude (approximate): | 41° 43.86′ North |
Longitude (approximate): | 87° 30.34′ West |