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History Colorado’s Historic Marker database may be searched or browsed:
1) Type in a keyword (for example “irrigation” or “Otto Mears”) or a location (a county or town name). The marker database will list marker title, installation date, marker material, the text that appears on the marker (if available), and more. Text is currently available only for markers installed after 1995.
2) Click on the map to browse markers by county.
For further research on historic marker topics, contact the Stephen H. Hart Library & Research Center at History Colorado. The Library & Research Center is the primary access point to History Colorado’s collection of archives, artifacts, and photography.