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Title | Collection Number And Name | Photo Number |
| 1 |
 |
Oraibi, Ariz. Townsend photo. 1910 | P0013 Herbert E. Gregory Photograph Collection | P0013n03_55verso_0468 |
| 2 |
 |
Erosion pillar, McElmo Valley, 15+ mi. west of Cortez | P0013 Herbert E. Gregory Photograph Collection | P0013n04_01_0511 |
| 3 |
 |
Erosion pillar, McElmo valley, 15± miles west of Cortez, Colorado. 1910 | P0013 Herbert E. Gregory Photograph Collection | P0013n04_01_0511 |
| 4 |
 |
Mud cracks, McElmo Valley, Colorado (Photo G-122) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_01_0512 |
| 5 |
 |
Mud cracks, McElmos valley, Colorado. 1910 (Photo G-122) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_01_0512 |
| 6 |
 |
Mud cracks, McElmo Valley (Photo G-123) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_02_0513 |
| 7 |
 |
Mud cracks, McElmo Valley (Photo G-124) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_02_0514 |
| 8 |
 |
McElmo strata, Holly's ranch, McElmo valley, Colorado, 33± miles west of Cortez, Colorado. 1910 (Photo G-125) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_03_0515 |
| 9 |
 |
McElmo strata, Holly's ranche, McElmo valley, Colo., 33+ mi. west of Cortez, Colo., 1910 (Photo G-125) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_03_0515 |
| 10 |
 |
McElmo strata, Holly's ranche, McElmo valley, Colo., 33+ mi. west of Cortez, Colo., 1910 (Photo G-126) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_03_0516 |
| 11 |
 |
McElmo strata, Holly's ranche, McElmo valley, Colo., 33+ mi. west of Cortez, Colo., 1910 (Photo N-M76) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_04_0517 |
| 12 |
 |
Dinosaur bone in McElmo Strata, Yellow Jacket creek, 3+ mi. north of Holly's ranche, McElmo Valley, Colo., 1910 (Photo N-M77) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_04_0518 |
| 13 |
 |
Dinosaur bone in McElmo strata, Yellow Jacket creek, 3± miles north of Holly's ranch, McElmo valley, Colorado. 1910 (Photo N-M77) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_04_0518 |
| 14 |
 |
Dinosaur bone in McElmo Strata, Yellow Jacket creek, 3+ mi. north of Holly's ranche, McElmo Valley, Colo., 1910 (Photo N-M77) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_05_0519 |
| 15 |
 |
Holly's Ranche. 33+ mi. W. of Cortez, Colo., in McElmo valley, 1910 (Photo G128) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_05_0520 |
| 16 |
 |
McElmo strata, north bank of San Juan River, 10+ mi. below Aneth, Utah, 1910 (Photo G129) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_06_0521 |
| 17 |
 |
McElmo strata, north bank of San Juan River, 10± mi. below Aneth, Utah, 1910 (Photo G129) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_06_0521 |
| 18 |
 |
McElmo strata, north bank of San Juan River, 10+ mi. below Aneth, Utah, 1910 (Photo G130) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_06_0522 |
| 19 |
 |
Quartz veins in LaPlata sandstone, north bank of San Juan river, between Aneth and Bluff, U., 1910 (Photo G131) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_07_0523 |
| 20 |
 |
LaPlata sandstone, south bank of San Juan River, 3+ mi. above Bluff, Utah, 1910 (Photo G132) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_07_0524 |
| 21 |
 |
Burros, San Juan Valley, 1910 (Photo N-M78) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_08_0525 |
| 22 |
 |
LaPlata sandstone, south bank of San Juan river, Bluff, Utah, 1910 (Photo G133) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_08_0526 |
| 23 |
 |
"The Twins," LaPlata strata, Bluff, Utah, 1910 (Photo G134) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_09_0527 |
| 24 |
 |
LaPlata sandstone, north bank of San Juan, 3+ mi. west of Bluff, Utah, 1910 (Photo N-M79 | P0013 Herbert E. Gregory Photograph Collection | P0013n04_09_0528 |
| 25 |
 |
View looking west across Comb Wash at Navajo Springs, 12+ mi. west of Bluff, Utah, toward Carboniferous anticline, 1910 (Photo G135) | P0013 Herbert E. Gregory Photograph Collection | P0013n04_10_0529 |
