(a) 
The identification and preservation of important archaeological and historical resources is necessary, as many such resources are unique and non-renewable.
(b) 
Preservation of such cultural resources provides a greater knowledge of City history, thus promoting City identity and conserving historic and scientific amenities for the benefit of future generations.
The Cultural Resources Preservation (CP) Overlay District may be applied to those areas where archaeological and historic sites which warrant preservation are known or are likely to be present.
Specific identification of known cultural resources is indicated by listing in one or more of the following inventories.
(a) 
California Archaeological Inventory.
(b) 
California Historic Resources Inventory.
(c) 
California Historical Landmarks.
(d) 
California Points of Historic Interest.
(e) 
National Register of Historic Places.
The Cultural Resources Preservation Overlay District shall be designated by the symbol (CP) on the Yucaipa Natural Resource Overlay Map.
When a land use is proposed within a CP Overlay District, the following studies and actions shall be taken as specified.
(a) 
The presence (or absence) of archaeological and historical resources within a given project area shall be determined through an appropriate investigation by qualified personnel. A report documenting the results of such investigation shall be submitted with project application.
(b) 
Data recovery or protection measures shall be developed and implemented for identified cultural resources determined to be important by a qualified archaeologist or historian. Such measures may include, but are not limited to the following.
(1) 
Site recordation.
(2) 
Mapping and surface collection of artifacts, with appropriate analysis and curation.
(3) 
Excavation of sub-surface deposits when present, along with appropriate analysis and artifact curation.
(4) 
Preservation in an open space easement and/or dedication to an appropriate institution with provision for any necessary maintenance and protection.
(c) 
Archaeological and historical resources which are determined by qualified professionals to be extremely important should be preserved as open space or dedicated to a public institution when possible.