The Ohio Historical Society -- located north of downtown in Columbus in that exceedingly strange concrete building at the fairgrounds -- has an excellent educational lineup this spring. The full list of affordable no-motel ways to learn is at OHS's episodic blog. One of my favorite offerings, given that the survey map of Ohio looks like a crazy quilt:
More Land Office Records in Ohio
May 15, 2008, 6:30 – 8:30 pm
This course will identify where public land offices were located in Ohio and describe what records kept at each office provide necessary information to determine who first purchased land, and when payments were made. Emphasis is on the description of land survey (field notes and measurements), entry, and payment records at the Ohio Historical Society and how to best use them.
If you're just going there to research, beware their drastically limited library hours and check here first. (Scroll way down.)