Hi Joe,
Larry Strayer of Dayton, OH has a huge collection of Ohio soldier photos but I am not sure how to get ahold of him. I did see him at the Nashville CW show last December. Rick Baumgartner of Blue Acorn Press knows him.
You also might try John Hass with the Ohio Historical Society at jhaas@ohiohistory.org
Greg Biggs
Clarksville (TN) CWRT