Cabeza Prieta National Wildlife Refuge, AZ / Organ Pipe Cactus (Stenocereus thurberi) with Saguaro cacti (Carnegiea gigantea) in background. This is the furthest NW range of Organ Pipes. 82000V4

Barry M. Goldwater Range, AZ. / Sand Tank Mtns. with dense stands of back lit saguaro (Carnegiea gigantea) is being considered for Sonoran Desert National Monument by executive order. 122000H5

Barry M. Goldwater Range, AZ. / Sand Tank Mtns. with dense stands of back lit saguaro (Carnegiea gigantea) at dawn, considered for Sonoran Desert National Monument by executive order. 122000P6