Photo shows a view of Henrieville Wash with contact of McElmo and Dakota formations, Garfield County, Utah, 1924. Photograph from Herbert E. Gregory Book 9: Utah, California, 1924-1928
Photo shows part of Moenkopi section, Allen Canyon, San Juan County, Utah, 1925. Photograph from Her...
Photograph showing Water Pocket Fold, Smith's Ranch, Massive red McElmo, banded McElmo, Dakota on th...
Photo shows details of the middle Moenkopi sandstone at the head of Comb Wash in San Juan County, Ut...
Photo shows a view of Henrieville Wash with contact of McElmo and Dakota formations, Garfield County...
Photo shows a view of Dry Wash with contact of Navajo sandstone and McElmo formation, San Juan Count...
Photo shows a view of Dry Wash probably with McElmo formation, San Juan County, Utah, 1925. Photogr...
Photo shows Allen Canyon with McElmo strata, San Juan County, Utah, 1925. Photograph from Herbert E....
View looking north from Henrieville, 'Sentinel' formation capped by Dakota, Garfield County, Utah, J...
Photo shows a view of Dry Wash with heavy red bed Entrada in McElmo formation, San Juan County, Utah...
View of McElmo Canyon in Colorado, showing lower part of Wingate sandstone, 1925. Photograph from H...
Photo showing a general view of upper two thirds Waweap beds, 1 mile southwest of Cannonville, Garfi...
Photo shows Dakota sandstone on Morrison formation, north end of Black Mesa, west side of Cottonwood...
Photo shows part of Moenkopi section, lower heavy bed, Allen Canyon, San Juan County, Utah, 1925. P...
Photo shows contact between rock formations (possibly Morrison and Dakota), 2 miles north of Henriev...
Photo shows part of Moenkopi section, Allen Canyon, San Juan County, Utah, 1925. Photograph from Her...
Photograph showing Water Pocket Fold, Smith's Ranch, Massive red McElmo, banded McElmo, Dakota on th...
Photo shows details of the middle Moenkopi sandstone at the head of Comb Wash in San Juan County, Ut...
Photo shows a view of Henrieville Wash with contact of McElmo and Dakota formations, Garfield County...
Photo shows a view of Dry Wash with contact of Navajo sandstone and McElmo formation, San Juan Count...
Photo shows a view of Dry Wash probably with McElmo formation, San Juan County, Utah, 1925. Photogr...
Photo shows Allen Canyon with McElmo strata, San Juan County, Utah, 1925. Photograph from Herbert E....
View looking north from Henrieville, 'Sentinel' formation capped by Dakota, Garfield County, Utah, J...
Photo shows a view of Dry Wash with heavy red bed Entrada in McElmo formation, San Juan County, Utah...
View of McElmo Canyon in Colorado, showing lower part of Wingate sandstone, 1925. Photograph from H...
Photo showing a general view of upper two thirds Waweap beds, 1 mile southwest of Cannonville, Garfi...
Photo shows Dakota sandstone on Morrison formation, north end of Black Mesa, west side of Cottonwood...
Photo shows part of Moenkopi section, lower heavy bed, Allen Canyon, San Juan County, Utah, 1925. P...
Photo shows contact between rock formations (possibly Morrison and Dakota), 2 miles north of Henriev...
Photo shows part of Moenkopi section, Allen Canyon, San Juan County, Utah, 1925. Photograph from Her...
Photograph showing Water Pocket Fold, Smith's Ranch, Massive red McElmo, banded McElmo, Dakota on th...
Photo shows details of the middle Moenkopi sandstone at the head of Comb Wash in San Juan County, Ut...