http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Recreation area management plan and environmental assessment for the Imperial Sand Dunes
1 volume (various pagings) : illustrations, maps ; 28 cm.
Record of decision -- Recreation area management plan --Environmental assessment.
Department of the Interior, Bureau of Land Management, El Centro Resource Area.