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TitleCollection Number And NamePhoto Number
1 Casto Bluff head of Casto Canyon southwest edge of Sevier Plateau. Acidic lava underlain by Sevier(?) formation, Garfield County, UT, 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_148_2751
2 Same as 2751, shows eroded top of Sevier PlateauP0013 Herbert E. Gregory Photograph CollectionP0013n11_148_2752
3 Castro Bluff, detail thin beds (upper) in Sevier(?) formationP0013 Herbert E. Gregory Photograph CollectionP0013n11_149_2753
4 Casto Bluff, detail thick lava beds in Sevier(?) formationP0013 Herbert E. Gregory Photograph CollectionP0013n11_149_2754
5 Castro Bluff, detail pumice conglomerate in Sevier formationP0013 Herbert E. Gregory Photograph CollectionP0013n11_150_2755
6 Castro Bluff, view looking westward from its base. Terrace developed in the Sevier(?) formation at the top of the Wasatch formationP0013 Herbert E. Gregory Photograph CollectionP0013n11_150_2756
7 General view of eroded Pink Cliffs (Wasatch formation) near Cedar Breaks, Iron County, UTP0013 Herbert E. Gregory Photograph CollectionP0013n11_151_2757
8 View looking north from Pace Knoll (lava) near Deadman Gulch, showing tilted strata east of Hurricane Cliffs (extreme left). Virgin member of Moenkopi, Shinarump conglomerate and Chinle sandstones make hogbacks. Horse Ranch knoll, Navajo and Carmel in upper right, Washington County, UT, 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_151_2758
9 Panorama of Ashdown Canyon, 600-1800 feet deep, 20-150 feet wide out in Straight Cliffs sandstone. Iron County, UT, 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_152_2759
10 Panorama of Ashdown Canyon, 600-1800 feet deep, 20-150 feet wide out in Straight Cliffs sandstone. Iron County, UT, 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_152_2760
11 Straight Cliffs sandstone (Cretaceous) Wall of Ashdown Canyon, Iron County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_152_2761
12 Natural bridge near top of wall of Ashdown Canyon, Iron County, UT, 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_153_2762
13 Top of Brian Head (11,280 feet) showing fracture of rhyolite by frost. Iron County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_154_2763
14 Top of ridge near head of Lauder Valley showing frost work and vegetation on Markagunt Plateau at altitudes between 10,000 and 11,000 feet. Iron County, UT, 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_154_2764
15 Volcanic Conglomerate at the base of a succession of lavas on the cliff face of Brian Head. Iron County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_155_2765
16 Kaiparowits formation, head of Deep Creek, Iron County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_155_2766
17 Kaiparowits formation near southwest corner of Cedar Breaks National Monument. Iron County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_156_2767
18 Kaiparowits formation on Cedar City, Cedar Breaks road above Wood's Ranch. Iron County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_156_2768
19 Glacial till, Castle Creek below Sidney Valley. Top of Markagunt Plateau. Iron County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_157_2769
20 Sidney Valley. Ponds and mounds produced by glaciation. Iron CountyP0013 Herbert E. Gregory Photograph CollectionP0013n11_157_2770
21 Sidney Valley. Ponds and mounds produced by glaciation. Iron CountyP0013 Herbert E. Gregory Photograph CollectionP0013n11_158_2771
22 Talus of blocks from basalt sheet. Square Mountain. Iron County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_158_2772
23 Mouth of Camp Creek. Resistant limestones of lowest Triassic make walls. Iron County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_159_2773
24 Contact of Triassic and Permian (beds in wall wrinkled at base). Cherty limestone lower left. Camp Creek. Iron County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_159_2774
25 Conglomerates, base of Timpoweep member of the Moenkopi Tarper Creek. Washington County, UT. 1941P0013 Herbert E. Gregory Photograph CollectionP0013n11_160_2775
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