Ohio Department of Transportation map of Defiance County.

Branch office of Ohio State University, it combines the needs of local citizens and communities, with new research and technical information.

Includes an overview of the department, current investigations, and the DARE program.

Official site includes a description and list of services of each agency, directory, history and township plat maps.

Site contains information on the political history of Defiance County, cemeteries and memorial sites in the county.

Information on the political infrastructure of the county.