- Henry2
- Kendall2
- Langman (Altorf) Island in the Kankakee River, opposite Altorf, ca 6 1/2 mi NW of Kankakee.2
- Massac2
- Mauvaise Terre Creek at US Rt 67, NE of bridge, Concord 7.5' quad.2
- Menard2
- Mokena.2
- Murphysboro, CH 5 (20th Street) bridge over the Big Muddy River; Murphysboro quad.2
- Oregon.2
- Peoria.2
- Pulaski2
- Shawnee National Forest, about 7 miles ESE of Harrisburg.2
- Urbana.2
- Wady Petra2
- Waukegan.2
- Willow Island in the Kankakee River, just NW of Altorf, ca 7 mi NW of Kankakee.2
- no data2
- (Brownfield) Augerville, Urbana.1
- 0.5 mile east of Herrin, Paineville. North right-of-way of East Herrin Road (highway). Herrin 7.5' quadrangle.1
- About 1 mile south of Beardstown on State Route 100 & US 67. Southwest side of sand pond on west side of road. Arenzville West 7.5 minute topographic map.1