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Welcome to the Ohio Historic Preservation Office Online Mapping System

The goal of this site is to provide agencies and researchers with rapid access to Ohio's cultural resource data in a digital format. This site allows users to query cultural data and produce maps.

Registration is a 2-step process:

  • Access to the Online Mapping System is limited to paid subscribers.
    Click here to subscribe your company or agency.

  • In addition, each individual in the company or agency who will have access must register for an account. Click here to register for a new account. Access to the site will be provided once the subscription is approved. The Ohio Historic Preservation Office reserves the right to limit access to the Online Mapping System.

Click here to log in.

Available data includes
National Register of Historic Places (all listings as points)
National Register Historic Districts (all districts as polygons)
Ohio Historic Inventory
Ohio Archaeological Inventory
Previously Surveyed Areas (archaeology and historic structures)

We hope the use of this site will promote the utility of GIS and spatial data as decision support tools for federal undertakings subject to Section 106 of the National Historic Preservation Act and for scholarly research on Ohio history, architecture and archaeology. When you register, you have the right to view and obtain information about cultural resources in Ohio and the responsibility to protect spatial information on sensitive archaeological and historic resources.

We welcome and encourage your feedback and suggestions. Please email onlinegis@ohiohistory.org

Internet Explorer 6.0 or higher is recommended for use with the Online Mapping System.

Click here to return to the Ohio Historic Preservation Office front page.

Creation of the Ohio Historic Preservation Office Online Internet Mapping System was made possible in part by grants from the Ohio Department of Transportation, the Ohio Department of Natural Resources, capital funds from the state of Ohio and by a grant from the U.S. Department of the Interior's Historic Preservation Fund, administered by the National Park Service and the Ohio Historic Preservation Office of the Ohio Historical Society. This program receives federal funds. U.S. Department of the Interior regulations prohibit unlawful discrimination in departmental federally assisted programs on the basis of race, color, national origin, age or disability. Any person who believes he or she has been discriminated against in any program, activity, or facility operated by a recipient of federal assistance should write to: Director, Equal Opportunity Program, National Park Service, 1849 C Street, Washington, D.C. 20240. Ohio Historic Preservation Office Online Preservation Tools: http://www.ohpo.org/gis Address: 1982 Velma Ave. Columbus, OH 43211 © 2009 All Rights Reserved.