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Subject
- National parks & reserves[remove]8
- Petrified Forest National Park (Ariz.)8
- Petrified forests[remove]8
- Rocks6
- Fossils5
- Petrified wood5
- Agates4
- Shrubs4
- Agate House (Ariz.)3
- Cliffs3
- Hills3
- Houses3
- Rock formations3
- Stonework3
- Walls3
- Boulders2
- Women2
- Agate Bridge (Ariz.)1
- Buttes1
- Deserts1