Photograph of a view into the canyon of the Little Colorado River in northeastern Arizona, in 1900. From Herbert E. Gregory Book 1, page 20
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the confluence of the Paria River and the Colorado River in northern Arizona, 1900. Fr...
Photograph of a view of cliffs along the Little Colorado River in northeastern Arizona in 1900. From...
Photograph of the Little Colorado River, looking downstream from the bridge at Cameron, Arizona, in ...
Photograph of the eastern portion of the Grand Canyon, northern Arizona, in 1899. From Herbert E. Gr...
Photograph of the Little Colorado River, looking downstream from Grand Falls in 1913. Photo 740 fro...
Photograph of slab talus along the Little Colorado River near Tanners Crossing [now Cameron], Arizon...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the view downstream from south side of the Colorado River at the head of Marble Canyon...
Photograph of members of the Herbert Gregory party with rock formations at Tanners Crossing [now Cam...
Photograph of members of the Herbert Gregory party (including Tempest Anderson and William Morris Da...
Photograph of a horse-drawn wagon of the 1900 Herbert Gregory party crossing the Little Colorado Riv...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the confluence of the Paria River and the Colorado River in northern Arizona, 1900. Fr...
Photograph of a view of cliffs along the Little Colorado River in northeastern Arizona in 1900. From...
Photograph of the Little Colorado River, looking downstream from the bridge at Cameron, Arizona, in ...
Photograph of the eastern portion of the Grand Canyon, northern Arizona, in 1899. From Herbert E. Gr...
Photograph of the Little Colorado River, looking downstream from Grand Falls in 1913. Photo 740 fro...
Photograph of slab talus along the Little Colorado River near Tanners Crossing [now Cameron], Arizon...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the view downstream from south side of the Colorado River at the head of Marble Canyon...
Photograph of members of the Herbert Gregory party with rock formations at Tanners Crossing [now Cam...
Photograph of members of the Herbert Gregory party (including Tempest Anderson and William Morris Da...
Photograph of a horse-drawn wagon of the 1900 Herbert Gregory party crossing the Little Colorado Riv...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the Colorado River at Lees Ferry, Arizona, in 1900. From Herbert E. Gregory Book 1, pa...
Photograph of the confluence of the Paria River and the Colorado River in northern Arizona, 1900. Fr...