Photograph of members of the Herbert Gregory party (including Tempest Anderson and William Morris Davis, waliking on a primitive road out of the Little Colorado River to Tanners Crossing [now Cameron], Arizona, in 1900. From Herbert E. Gregory Book 1, page 3
Photograph of a member of the Herbert Gregory by the Colorado River in the Grand Canyon, 1900. From ...
Photograph of Moenkopi Wash near the Little Colorado River west of Tanners Crossing [now Cameron], A...
Photograph of a desert road near Milford in Beaver County, Utah, in 1900. From Herbert E. Gregory B...
Photograph of members of the Herbert Gregory party (including Tempest Anderson and William Morris Da...
Photograph of members of the Herbert Gregory party with rock formations at Tanners Crossing [now Cam...
Photograph of a horse-drawn wagon of the 1900 Herbert Gregory party crossing the Little Colorado Riv...
Photograph of members of the Herbert Gregory party in front of a volcanic dike near Tanners Crossing...
Photograph of a member of the Herbert Gregory party in front of a volcanic dike near Tanners Crossin...
Photograph of slab talus along the Little Colorado River near Tanners Crossing [now Cameron], Arizon...
Photograph of members of the Herbert Gregory party at Willow Springs in the Echo Cliffs region of no...
Photograph of a view of cliffs along the Little Colorado River in northeastern Arizona in 1900. From...
Photograph show the Herbert Gregory party on a trail from Lees Ferry to the top of the plateau east ...
Photograph of a horse-drawn wagon of the 1900 Herbert Gregory party crossing an arroyo in northern A...
Photograph of members of the Herbert Gregory party camping below the Vermillion Cliffs in northern A...
Photograph of a view into the canyon of the Little Colorado River in northeastern Arizona, in 1900. ...
Photograph of a member of the Herbert Gregory by the Colorado River in the Grand Canyon, 1900. From ...
Photograph of Moenkopi Wash near the Little Colorado River west of Tanners Crossing [now Cameron], A...
Photograph of a desert road near Milford in Beaver County, Utah, in 1900. From Herbert E. Gregory B...
Photograph of members of the Herbert Gregory party (including Tempest Anderson and William Morris Da...
Photograph of members of the Herbert Gregory party with rock formations at Tanners Crossing [now Cam...
Photograph of a horse-drawn wagon of the 1900 Herbert Gregory party crossing the Little Colorado Riv...
Photograph of members of the Herbert Gregory party in front of a volcanic dike near Tanners Crossing...
Photograph of a member of the Herbert Gregory party in front of a volcanic dike near Tanners Crossin...
Photograph of slab talus along the Little Colorado River near Tanners Crossing [now Cameron], Arizon...
Photograph of members of the Herbert Gregory party at Willow Springs in the Echo Cliffs region of no...
Photograph of a view of cliffs along the Little Colorado River in northeastern Arizona in 1900. From...
Photograph show the Herbert Gregory party on a trail from Lees Ferry to the top of the plateau east ...
Photograph of a horse-drawn wagon of the 1900 Herbert Gregory party crossing an arroyo in northern A...
Photograph of members of the Herbert Gregory party camping below the Vermillion Cliffs in northern A...
Photograph of a view into the canyon of the Little Colorado River in northeastern Arizona, in 1900. ...
Photograph of a member of the Herbert Gregory by the Colorado River in the Grand Canyon, 1900. From ...
Photograph of Moenkopi Wash near the Little Colorado River west of Tanners Crossing [now Cameron], A...
Photograph of a desert road near Milford in Beaver County, Utah, in 1900. From Herbert E. Gregory B...