Photo shows a camping scene on Navajo sandstone, east of Castle uplift, San Juan County, Utah, 1925. Photograph from Herbert E. Gregory Book 9: Utah, California, 1924-1928
Photo shows a camping scene, south bank of Armstrong Canyon looking northeast. Camp on Coconino; pla...
Photo shows a view of Dry Wash with contact of Navajo sandstone and McElmo formation, San Juan Count...
Photo showing Carmel Formation overlying Navajo Gray Mesa, San Juan County, Utah, 1927. Photograph f...
Photo shows a camping scene on Navajo sandstone, east of Castle uplift, San Juan County, Utah, 1925....
Photo shows the east flank of the Castle Uplift (composed of Navajo sandstone), in San Juan County, ...
Photo shows camp in Lake Canyon and Walls of Navajo Sandstone. San Juan County, Utah, 1927. Photogr...
Photo shows a view of Navajo sandstone with waterpockets near Castle uplift. San Juan County, Utah, ...
Photo shows plain developed on top of Castle uplift (Wilson Mesa?), San Juan County, Utah, 1925. Pho...
Photo shows the Herbert Gregory party's camp in floor of ancient lake bed; mesa of Navajo sandstone ...
Photo shows a view of Castle Canyon with trail on Todilto formation at base of Walls of Navajo sands...
Photo shows Castle uplift with Chinle beds exposed by stream traveling, San Juan County, Utah, 1925....
Photo shows Piute Indians camping in Allen Canyon, San Juan County, Utah, 1925. Photograph from Herb...
Photo shows a camping scene, south bank of Armstrong Canyon looking northeast. Camp on Coconino; pla...
Photo shows a view of Dry Wash with contact of Navajo sandstone and McElmo formation, San Juan Count...
Photo showing Carmel Formation overlying Navajo Gray Mesa, San Juan County, Utah, 1927. Photograph f...
Photo shows a camping scene on Navajo sandstone, east of Castle uplift, San Juan County, Utah, 1925....
Photo shows the east flank of the Castle Uplift (composed of Navajo sandstone), in San Juan County, ...
Photo shows camp in Lake Canyon and Walls of Navajo Sandstone. San Juan County, Utah, 1927. Photogr...
Photo shows a view of Navajo sandstone with waterpockets near Castle uplift. San Juan County, Utah, ...
Photo shows plain developed on top of Castle uplift (Wilson Mesa?), San Juan County, Utah, 1925. Pho...
Photo shows the Herbert Gregory party's camp in floor of ancient lake bed; mesa of Navajo sandstone ...
Photo shows a view of Castle Canyon with trail on Todilto formation at base of Walls of Navajo sands...
Photo shows Castle uplift with Chinle beds exposed by stream traveling, San Juan County, Utah, 1925....
Photo shows Piute Indians camping in Allen Canyon, San Juan County, Utah, 1925. Photograph from Herb...
Photo shows a camping scene, south bank of Armstrong Canyon looking northeast. Camp on Coconino; pla...
Photo shows a view of Dry Wash with contact of Navajo sandstone and McElmo formation, San Juan Count...
Photo showing Carmel Formation overlying Navajo Gray Mesa, San Juan County, Utah, 1927. Photograph f...