As defined by California Public Resources Code, Sec. 21084.1., and as determined by the Director, in consultation with the Office of Historic Resources, a historical resource means those resources that meet the definition of a historical resource in Sec. 21084.1 (Historical Resources) of the Public Resources Code and Sec. 15064.5(a) (Determining the Significance of Impacts to Archaeological and Historical Resources) of the CEQA Guidelines.