http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Imperial Sand Dunes draft recreation area management plan and draft environmental impact statement
Imperial Sand Dunes Recreation Area draft management plan
1 online resource (3 volumes) : illustrations, maps.
prepared by US Department of the Interior, Bureau of Land Management, El Centro Field Office, California.
Title from PDF title screen (BLM.gov, viewed Apr. 28, 2011).
Imperial Sand Dunes Recreation Area (Calif.)