Depending on the time you have allotted to Belmont County, SHOULD you have some 'extra time' - I highly recommend you spend a day (their days and times have changed since I was there) at the Ohio Historical Library in Columbus, Ohio. When I visited my son (who always promised to take me to Belmont County and never did) - my home away from home while he was working was the OHIO HISTORICAL LIBRARY - I spent days and weeks there - long before I went to Belmont County. Their microfilm ROOM is extensive. I love this place.
My word of advice is get your research done about WHERE to go for WHAT and then call ahead for library and society times and addresses. They can tell you a whole lot more than I can.
Margie (twigsnbranches at earthlink.net if you want more)