Jack Knoll:
Saguaro Cacti
Jack Knoll:
Afternoon Rest
Jack Knoll:
Grand Canyon
Jack Knoll:
Grand Canyon, South Corner
Jack Knoll:
Giant Elk
Jack Knoll:
Giant Elk
Jack Knoll:
Grand Canyon, South Corner
Jack Knoll:
Grand Canyon, South Corner
Jack Knoll:
Standard Oil
Jack Knoll:
Sunset over Monument Valley
Jack Knoll:
Sunset over Monument Valley
Jack Knoll:
Sunset over Monument Valley
Jack Knoll:
Sunset over Monument Valley
Jack Knoll:
Monument Cow
Jack Knoll:
Arches National Park
Jack Knoll:
Landscape Arch
Jack Knoll:
Afternoon Shadow
Jack Knoll:
Red Rocks at Arches
Jack Knoll:
Arches National Park
Jack Knoll:
Double Arch at Sunset
Jack Knoll:
Double Arch at Sunset
Jack Knoll:
The Windows at Sunset
Jack Knoll:
The Windows at Sunset
Jack Knoll:
The Windows at Sunset
Jack Knoll:
Balancing Rock
Jack Knoll:
Sunrise at Mesa Arch
Jack Knoll:
Sunrise at Mesa Arch
Jack Knoll:
Sunrise at Mesa Arch
Jack Knoll:
Sunrise at Mesa Arch
Jack Knoll:
Sunrise at Mesa Arch
