Over 90,000 photos covering a variety of topics from Marriott Library Special Collections.
| Title | Collection Number And Name | Photo Number | ||
|---|---|---|---|---|
| 51 |  | San Francisco Mt. | P0013 Herbert E. Gregory Photograph Collection | P0013n01_20_045 |
| 52 |  | Walnut Canyon near Flagstaff | P0013 Herbert E. Gregory Photograph Collection | P0013n01_20_046 |
| 53 |  | Looking across Little Colorado, short distance from ????, Echo Cliffs in background | P0013 Herbert E. Gregory Photograph Collection | P0013n01_20b_047 |
| 54 |  | Colorado Canyon | P0013 Herbert E. Gregory Photograph Collection | P0013n01_21_048 |
| 55 |  | David White & Gregory at "Fern Quarry"; fossil ferns in Hermit Shale. Yaki trail... 1928 | P0013 Herbert E. Gregory Photograph Collection | P0013n01_21b_049 |
| 56 |  | San Francisco forest north of Flagstaff 1900 | P0013 Herbert E. Gregory Photograph Collection | P0013n01_22_050 |
| 57 |  | Cinders, San Francisco Mt., 1900 | P0013 Herbert E. Gregory Photograph Collection | P0013n01_22_051 |
| 58 |  | Supai SS near O'Neill Butte, Yaki trail, Grand Canyon. Dr. Gilmore pointing to fossil tracks... 1928 | P0013 Herbert E. Gregory Photograph Collection | P0013n01_22b_052 |
| 59 |  | Lava | P0013 Herbert E. Gregory Photograph Collection | P0013n01_23_053 |
| 60 |  | Cinders | P0013 Herbert E. Gregory Photograph Collection | P0013n01_23_054 |
| 61 |  | Sheep grazing | P0013 Herbert E. Gregory Photograph Collection | P0013n01_23_055 |
| 62 |  | Foot prints on Supai SS, Yaki trail 1928 | P0013 Herbert E. Gregory Photograph Collection | P0013n01_23b_056 |
| 63 |  | Greneral view, San Francisco Mountain region | P0013 Herbert E. Gregory Photograph Collection | P0013n01_24_057 |
| 64 |  | SF Mt from Observatory Hill | P0013 Herbert E. Gregory Photograph Collection | P0013n01_24_058 |
| 65 |  | Near Red Mesa? | P0013 Herbert E. Gregory Photograph Collection | P0013n01_24_059 |
| 66 |  | Suspension bridge, mouth of Bright Angel (built 1926?) Dr. White, Gregory, Mr. Sturdevant | P0013 Herbert E. Gregory Photograph Collection | P0013n01_24b_060 |
| 67 |  | Lava flow | P0013 Herbert E. Gregory Photograph Collection | P0013n01_25_061 |
| 68 |  | Barrett, Gregory | P0013 Herbert E. Gregory Photograph Collection | P0013n01_25_062 |
| 69 |  | Coconino Forest Between Flagstaff & Grand Canyon, 1900 [1] | P0013 Herbert E. Gregory Photograph Collection | P0013n01_25_063 |
| 70 |  | Coconino Forest Between Flagstaff & Grand Canyon, 1900 [2] | P0013 Herbert E. Gregory Photograph Collection | P0013n01_25_064 |
| 71 |  | Bridge over Colorado, mouth of Bright Angel looking south up Zig-zag trail... 1928 | P0013 Herbert E. Gregory Photograph Collection | P0013n01_25b_065 |
| 72 |  | Coconino Forest | P0013 Herbert E. Gregory Photograph Collection | P0013n01_26_066 |
| 73 |  | Coconino Forest | P0013 Herbert E. Gregory Photograph Collection | P0013n01_26_067 |
| 74 |  | San Francisco Mt. | P0013 Herbert E. Gregory Photograph Collection | P0013n01_26_068 |
| 75 |  | San Francisco Mt. | P0013 Herbert E. Gregory Photograph Collection | P0013n01_26_069 |