Place
- Blackwell Forest Preserve near West Chicago.1
- Clark1
- Crawford1
- Hardin1
- Heading Ave.1
- Jackson1
- Jo Daviess1
- Lewis & Clark State Memorial Park, Mississippi River.1
- Logan1
- Madison1
- Morgan1
- Near Flatrock.1
- Near Oquawka.1
- Niles Center1
- Pope1
- Quincy1
- Rock Island1
- Sheffield.1
- South of Effingham, 0.6 mile north of 1000N along west side of railroad 5 acre prairie. Effingham South 7.5 minute quadrangle.1
- US Rt. 6, 0.5 mi. E., St. Rt. 7 & W. of 180th Ave., Sects. 17 & 20, Orland Twp., Mokena Quad.1