The Libraries own aerial photographs, and have access to various other types of imagery.
Aerial Photography Photography of Ohio counties, dating from the 1930s to 1970s are available for users' research. Some are available in scanned form. All dates may not be available for all counties. Use my contact information at the right for questions.
Scanned imagery Some sets of this imagery have been scanned by Historic Information Gatherers, a Minnesota-based company. Scans of these selected sets are available to the Miami University community. Resolution is 200-dpi; there is no georeferencing with these digital files. Use my contact information at the right for questions.
Satellite Imagery Images for Ohio are available for many dates from the Landsat 8 and earlier generations of Landsat satellite, through Ohio View. Imagery may be available also from other sources, such as the European SPOT Satellite. Use my contact information at the right for questions.
Sanborn Fire Insurance Maps Specialized maps that can be used with imagery, show building types and materials. Available for Ohio through OhioLINK.