June 23, 2024 patrickthomasburns

Catalina State Park – Tucson, Arizona

May 26, 2024 patrickthomasburns

Picture Rocks Petroglyphs – Tucson, Arizona

May 12, 2024June 20, 2025 patrickthomasburns

Laboratory of Tree-Ring Research, University of Arizona – Tucson, Arizona

April 28, 2024 patrickthomasburns

Saguaro National Park, West District – Tucson, Arizona

April 7, 2024 patrickthomasburns

Cactus Forest Trail, Saguaro National Park, East District- Tucson, Arizona

March 31, 2024September 26, 2024 patrickthomasburns

Cactus Forest Drive, Saguaro National Park, East – Tucson, Arizona