1948 Map of Jonesboro

Genealogical interest is found in a dense network of rural infrastructure, including many one-room schoolhouses like Tripp Sch and McClure Sch, alongside historic congregations at Kornthal Ch and Lockard Chapel. Significant local elevations such as Hamburg Hill and Atwood Ridge define the rugged interior, while the presence of the State Nursery and the Atwood Lookout Tower highlights the mid-century focus on forest management and conservation in this corner of southern Illinois.