James St. John:
Skyline Arch, Entrada Sandstone (Middle Jurassic), northern Arches National Park, eastern Utah 4
James St. John:
South Window Arch, Entrada Sandstone (Middle Jurassic), Windows Section, Arches National Park, eastern Utah 3
James St. John:
South Window Arch, Entrada Sandstone (Middle Jurassic), Windows Section, Arches National Park, eastern Utah 4
James St. John:
South Window Arch, Entrada Sandstone (Middle Jurassic), Windows Section, Arches National Park, eastern Utah 5
James St. John:
Turret Arch, Entrada Sandstone (Middle Jurassic), Windows Section, Arches National Park, eastern Utah 1
James St. John:
Turret Arch, Entrada Sandstone (Middle Jurassic), Windows Section, Arches National Park, eastern Utah 2
James St. John:
Turret Arch, Entrada Sandstone (Middle Jurassic), Windows Section, Arches National Park, eastern Utah 3
James St. John:
Turret Arch, Entrada Sandstone (Middle Jurassic), Windows Section, Arches National Park, eastern Utah 4
James St. John:
Turret Arch, Entrada Sandstone (Middle Jurassic), Windows Section, Arches National Park, eastern Utah 5
James St. John:
Turret Arch, Entrada Sandstone (Middle Jurassic), Windows Section, Arches National Park, eastern Utah 6
James St. John:
Honeycomb weathering (sandstones of the Slickrock Member of the Entrada Sandstone, Middle Jurassic; Arches National Park, eastern Utah, USA)
James St. John:
Spheroidally weathered massive sandstone (Slickrock Member, Entrada Sandstone, Middle Jurassic; near Double Arch, Arches National Park, Utah, USA) 1
James St. John:
Spheroidal weathered massive sandstone (Slickrock Member, Entrada Sandstone, Middle Jurassic; Windows Section, Arches National Park, eastern Utah, USA) 1
James St. John:
Minor normal fault in sandstone (Entrada Sandstone, Middle Jurassic; Arches National Park, Utah, USA)
James St. John:
Minor normal faults in sandstone (Entrada Sandstone, Middle Jurassic; Arches National Park, Utah, USA) 2
James St. John:
Entrada Sandstone (Middle Jurassic) (Goblin Valley, southeast-central Utah, USA) 1
James St. John:
Entrada Sandstone (Middle Jurassic) (Goblin Valley, southeast-central Utah, USA) 2
James St. John:
Delicate Arch (Arches National Park, eastern Utah, USA) 1
James St. John:
Double Arch (Arches National Park, eastern Utah, USA)
James St. John:
Double O Arch (Arches National Park, eastern Utah, USA)
James St. John:
Landscape Arch (Arches National Park, eastern Utah, USA)
James St. John:
North Window Arch (Arches National Park, eastern Utah, USA)
James St. John:
Partition Arch (Arches National Park, eastern Utah, USA)
James St. John:
Pine Tree Arch (Arches National Park, eastern Utah, USA)
James St. John:
Private Arch (Arches National Park, eastern Utah, USA)
James St. John:
Skyline Arch (Arches National Park, eastern Utah, USA)
James St. John:
South Window Arch (Arches National Park, eastern Utah, USA)
James St. John:
Tower Arch (Arches National Park, eastern Utah, USA)
James St. John:
Turret Arch (Arches National Park, eastern Utah, USA)
James St. John:
Entrada Sandstone (Middle Jurassic; Red Canyon, Colorado National Monument, Colorado, USA) 1
