Mississippi River Backwater, Ellis Bay UMR 202 GREON-01 (use existing location)
Mississippi River Main Channel at Alton, IL UMR 202 GREON-02 (38 52'51.25" N 90 10'50.27" W)
Lower Sangamon River at Chandlerville, IL GREON-03 (TBD)
Main Channel at LaCrosse, WI UMR 686 GREON-04 (TBD)
Stoddard Island Backwater UMR 686 GREON-05 (use existing location)
Main Channel at Cape Girardeau, MO GREON-06 (TBD)
Upper Sangamon River at Lake Decatur GREON-07 (TBD)