J D Robart:
Saguaro, Sabino Canyon, Tucson AZ, February 6, 2016 (1)
J D Robart:
Sabino Canyon, Tucson, AZ, February 6, 2016 (2)
J D Robart:
Cottonwood, Sabino Canyon, Tucson, AZ, February 6, 2016 (1)
J D Robart:
Asarco Open Pit Copper Mine, Green Valley, AZ February 6, 2016 (1)
J D Robart:
Asarco Open Pit Copper Mine, Green Valley, AZ February 6, 2016 (2)