Diorite outcrop with petroglyphs Location: Saguaro National Monument - West, near Tucson, AZ Year: 2011 Merckslides catalogue number: 05-75252 Comments:

Diorite outcrop with petroglyphs Location: Saguaro National Monument - West, near Tucson, AZ Year: 2011 Merckslides catalogue number: 05-75250 Comments:

Diorite outcrop with petroglyphs Location: Saguaro National Monument - West, near Tucson, AZ Year: 2011 Merckslides catalogue number: 05-75251 Comments:

Diorite outcrop with petroglyphs Location: Saguaro National Monument - West, near Tucson, AZ Year: 2016 Merckslides catalogue number: 05-89534 Comments:

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