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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.

By Keyword:

match any
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2) Click on the map to browse markers by county.

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.

Moffat Rio Blanco Garfield Mesa Delta Montrose Ouray San Miguel Dolores Montezuma La Plata San Juan Hinsdale Mineral Rio Grande Archuleta Conejos Costilla Huerfano Alamosa Saguache Gunnison Pitkin Eagle Routt Jackson Grand Larimer Boulder Summit Clear Creek Gilpin Lake Chaffee Fremont Park Jefferson Douglas Teller El Paso Custer Pueblo Las Animas Baca Prowers Bent Otero Crowley Lincoln Kiowa Cheyenne Kit Carson Yuma Washington Logan Sedgwick Phillips Weld Morgan Adams Arapahoe Elbert Denver Broomfield