The records in this collection were discovered in the offices of the Western Water Company in 2003, and pertain to Yuba Consolidated Gold Fields. The records dated 1901-1929, include legal documents, deeds, business records, correspondence, reports, acknowledgements, proposals, agreements, financial statements, estimates, propositions, resolutions, and a mining claim patent.

This collection includes photographs, photo albums, negatives, and blueprints pertaining to the operations of Wendall P. Hammon, Yuba Construction Company and Yuba Consolidated Gold Fields. Photographs, albums, negatives and blueprints relate to the dredging, manufacturing, and mining activities of the Hammon enterprises.