Yuma Area Historical Resources Surveys Collection
This collection consists of surveys and reports of historical resources of Yuma County, Arizona and Imperial County, California conducted by various agencies and consultants over a period of twenty years, 1978-1997. It is divided into five series: Series I: Yuma Historic Property Survey, Series II: Regional Reports, Series III: Century Heights Conservancy Survey, Series IV: Yuma Downtown Survey, Series V: San Ysidro Ranch. See container list.