Rancho Campo de los Franceses was a 48,747-acre (197.27 km2) Mexican land grant in present-day San Joaquin County, California given in 1844 by Governor Manuel Micheltorena to Guillermo Gulnac.[1] "Campo de los Franceses” which in English means “French Camp” refers to French-Canadian fur trappers who wintered there. The grant included present-day French Camp and Stockton.[2][3]