Desert bighorn sheep establish two desert areas in southwestern Arizona to help preserve the desert bighorn sheep: Cabeza Prieta National Wildlife Refuge and the Kofa National Wildlife Refuge. In 1941, the San Andres National Wildlife Refuge in New Mexico was added. Desert bighorn sheep populations have trended upward since the 1960s when their population was estimated at 6,700-8,100. The upward trend was caused by conservation measures, including habitat preservation. In 1980, desert bighorn sheep populations were estimated at 8,415-9,040. A state-by-state survey was conducted a few years later and estimated the overall US desert bighorn sheep population at 15,980. The 1993 estimate of
Castle in the Desert Castle in the Desert Castle in the Desert is a 1942 film featuring the Asian detective Charlie Chan. It was the eleventh film to feature Sidney Toler as the title character, and the last made by 20th Century Fox. The series continued with Toler, though under much reduced circumstances, at Monogram Pictures. Mrs. Manderley, an eccentric descendant of the Borgias lives in a castle in the middle of the Mojave Desert with her husband Paul Manderley, a reclusive scholary millionaire. Someone is killed after being poisoned. Paul tries to cover up the murder in which Charlie Chan investigates. In addition