Desert bighorn sheep - ovis canadensis mexicana Author C. C. Niehuis Article Date February 1967 Journal Title Ariz Wildlife Sportsman
Desert bighorn sheep Author A. A. Nichol Article Date January-February 1938 Journal Title Ariz Wild Life
Desert bighorn sheep Author A. A. Nichol Article Date November-December 1937 Journal Title Ariz Wild Life
Can a herd of Bighorns survive a horde of people? Article Date June 30 1973 Journal Title Ole ( Tucson Daily Citizen)
Bighorns are where you find them Author J.P. Russon Article Date October 10 1965 Journal Title Ariz Days & Ways