Register for a Free Account

Registering for a free account will provide limited access to the Ohio Historic Preservation Office(OHPO) Online Mapping System. Free access includes a variety of tools and data to facilitate your historic preservation research, but does not include access to OHPO inventory data. For more information on accessing OHPO inventory data through the Online Mapping System, click here.

Free access to the OHPO Online Mapping System allows you to
View and query a variety of statewide basemap data
View USGS topographic maps and collect UTM coordinates
Create, print and export I-Form friendly maps

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