Organ Pipe Cactus National Monument, Ecological Monitoring Program, annual report 1996
By: The Division of Natural and Cultural Resources Management, Organ Pipe Cactus National Monument ; Ami Pate, editor.
Contributors: Pate, Ami.; Organ Pipe Cactus National Monument (Ariz.) Division of Natural and Cultural Resources Management.; United States. National Park Service.
Publisher: National Park Service, Organ Pipe Cactus National Monument
Published: 1999
Place of publication: Ajo, Ariz
Language: eng
Number of pages: 182
Subjects: Environmental monitoring -- Arizona -- Organ Pipe Cactus National Monument.; Organ Pipe Cactus National Monument (Ariz.) -- Environmental aspects.
Notes: "December 1999."