Sauceda Mountains, BLM, near Ajo, AZ / Mexican Poppies (Eschscholtzia californica) flowering amid cracks in hillside boulder. 32001V4
Cabeza Prieta National Wildlife Refuge, AZ / Cottontop cactus (Echinocactus polycephalus) with the Cabeza Prieta Mountains in the background at sunset. 42001H8
Cabeza Prieta National Wildlife Refuge, AZ / Cottontop cactus (Echinocactus polycephalus) with off-road vehicle tracks cutting through the desert. 32001V1
