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

Sonoran Desert National Monument, AZ / Saguaro cactus (Carnegiea gigantea) amid chain cholla cactus (Opuntia fulgida) with Sand Tank Mtns. at dawn. 122000H5

Sonoran Desert National Monument, AZ / Saguaro cactus (Carnegiea gigantea) with Sand Tank Mtns. in evening light.122000P8