Overview. The Sonoran Desert Network monitors air quality, climate, groundwater, landbirds, springs, seeps, and tinajas, and vegetation and soils at Organ Pipe Cactus National Monument. The results of this work can be found in a variety of publications and other information. The network also maintains species lists for the park. 3847. To search for additional information, visit the Data Store. Organ Pipe Cactus National Monument, in southwestern Arizona, was established by presidential proclamation in 1937 to preserve approximately 330,000 acres of the Sonoran Desert for the public interest.