5:30 – 7:00 pm
Towner Fellows’ Lounge
How are Townships and Sections divided? Kevin C. Lewis, a working land surveyor for the past 25 years, will present a lecture on the history and origin of the Public Land Survey System in Illinois. Mr. Lewis will discuss some of the recorded documents available to surveyors including: Federal Township Plats of Illinois, Monument Records and Subdivisions as well as the use of State Plane Coordinates and Global Positioning Systems in Modern Public Land Survey System Retracement.