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Subject
- Hills[remove]14
- Shrubs[remove]14
- Trees[remove]14
- Big Bend National Park (Tex.)12
- National parks & reserves12
- Cliffs10
- Mountains9
- Roads5
- Boquillas Canyon (Big Bend National Park (Tex.))4
- Canyons4
- Grasses4
- Lost Mine Trail (Big Bend National Park (Tex.))4
- Rock formations4
- Buildings3
- Reserva de la Biosfera Santa Elena-Sierra del Carmen (Mexico)3
- Tree limbs3
- Basin (Big Bend National Park (Tex.))2
- Buttes2
- Cactus2
- Corrals2