Image from 35mm slide showing a log of petrified wood, probably in southern Utah or northern Arizona
Photo of petrified wood in the Marble Canyon area near The Gap, Arizona, visited by George Barfoot i...
Black and white photograph of samples of petrified wood near Escalante, Utah, seen during Dr. Willia...
Black and white photograph of samples of petrified wood near Escalante, Utah, seen during Dr. Willia...
Image from 35mm slide showing petrified wood, probably in southern Utah or northern Arizona
Image from 35mm color slide showing a petrified forest scene, possibly near Escalante, Utah
Photo of a petrified log, possibly at Petrified Forest National Park in norhern Arizona.
Photograph of a mammoth petrified log at the top of an embankment in the petrified forest of Arizona
Color photograph of a collection of petrified woodhttps://digitalcommons.cedarville.edu/cmc_teaching...
Photograph shows outcrop of igneous rocks.Inscription on back of print: Petrified wood. Castilon [s...
Photo of petrified wood in the Marble Canyon area near The Gap, Arizona, visited by George Barfoot i...
Photograph of petrified wood samples at the Petrified Forest near Adamana, Arizona, from Herbert E. ...
Photograph of a petrified log forming a tree bridge across a ravine in the Petrified Forest of Arizo...
Black and white photograph by Fred Pack, taken during a field trip with his University of Utah geolo...
Photograph of Petrified Forest log near Lithodendron Wash, Arizona, in 1913. Photo 779 from Herbert...
Black and white photograph of samples of petrified wood near Escalante, Utah, seen during Dr. Willia...
Photo of petrified wood in the Marble Canyon area near The Gap, Arizona, visited by George Barfoot i...
Black and white photograph of samples of petrified wood near Escalante, Utah, seen during Dr. Willia...
Black and white photograph of samples of petrified wood near Escalante, Utah, seen during Dr. Willia...
Image from 35mm slide showing petrified wood, probably in southern Utah or northern Arizona
Image from 35mm color slide showing a petrified forest scene, possibly near Escalante, Utah
Photo of a petrified log, possibly at Petrified Forest National Park in norhern Arizona.
Photograph of a mammoth petrified log at the top of an embankment in the petrified forest of Arizona
Color photograph of a collection of petrified woodhttps://digitalcommons.cedarville.edu/cmc_teaching...
Photograph shows outcrop of igneous rocks.Inscription on back of print: Petrified wood. Castilon [s...
Photo of petrified wood in the Marble Canyon area near The Gap, Arizona, visited by George Barfoot i...
Photograph of petrified wood samples at the Petrified Forest near Adamana, Arizona, from Herbert E. ...
Photograph of a petrified log forming a tree bridge across a ravine in the Petrified Forest of Arizo...
Black and white photograph by Fred Pack, taken during a field trip with his University of Utah geolo...
Photograph of Petrified Forest log near Lithodendron Wash, Arizona, in 1913. Photo 779 from Herbert...
Black and white photograph of samples of petrified wood near Escalante, Utah, seen during Dr. Willia...
Photo of petrified wood in the Marble Canyon area near The Gap, Arizona, visited by George Barfoot i...
Black and white photograph of samples of petrified wood near Escalante, Utah, seen during Dr. Willia...
Black and white photograph of samples of petrified wood near Escalante, Utah, seen during Dr. Willia...