Guide Leaflet, Geological Science Field Trip, Canton Area

---

Guide Leaflet, Geological Science Field Trip, Fulton Area

---

Guide Leaflet, Geological Science Field Trip, Farmington Area, Fulton, Knox, and Peoria Counties

---

Guide Leaflet, Geological Science Field Trip, Pittsfield Area, Pike County

---

Guide Leaflet, Geological Science Field Trip, Springfield Area, Sangamon County, Illinois

---

Guide Leaflet, Geological Science Field Trip, Peoria Area

---

Guide Leaflet, Geological Science Field Trip, Starved Rock Area, La Salle County

---

Guide Leaflet, Geological Science Field Trip, Knoxville Area, Knox County

---

Guide Leaflet, Geological Science Field Trip

---

Guide Leaflet, Geological Science Field Trip, Carrollton Area

---