Brad Wilson, DVM:
Petroglyph A, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
Petroglyph B, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
Petroglyph C, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
Petroglyph D, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
Petroglyph E, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
Petroglyph F, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
Petroglyph G, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
Petroglyph H, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
Petroglyph I, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
Petroglyph J, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
Petroglyph K, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona
Brad Wilson, DVM:
self portrait, Cabeza Prieta National Wildlife Refuge, Pima County, Arizona