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Top level collections


Meeting materials of Jefferson County's volunteer boards and commissions, including minutes, agendas, and supplemental items.

Alphabetical lists of property owners showing land or personal property owned, taxes assessed and taxes paid.

1866-1868, 1870-1948

Records of the proceedings of the Jefferson County Board of County Commissioners


Records of the Colorado Cooperative Extension Program in Jefferson County

1920, 1936

Plats, maps and statements of claim to water rights for ditches, reservoirs and water supply sources recorded in Jefferson County, Colorado. NEW! Ditch Companies Photo Album, 1908-1909


Records for genealogical research

Scrapbooks created by members of home demonstration clubs in Jefferson County


Articles of incorporation and financial reports of companies seeking to incorporate and conduct business within Jefferson County. Includes some municipal incorporations.

Collections related to the history of Jefferson County that are not Jeffco government records.


Other records created by Jefferson County government


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