| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 26 |
 |
Arch Mineral Coal Operation P.3 | Image | dha_cp | |
| 27 |
 |
Arch Mineral Coal Operation P.4 | Image | dha_cp | |
| 28 |
 |
Arch Mineral Coal Operation P.5 | Image | dha_cp | |
| 29 |
 |
Arnold, Otto children | Image | dc_bpc | |
| 30 |
 |
Arthur MacArthur, Jr. | Image | dha_cp | |
| 31 |
 |
Asahel Collins Beckwith | 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969 | Image | uum_map |
| 32 |
 |
At Brink of Lower Falls, Yellowstone River | 1911-08 | Image | dha_scp |
| 33 |
 |
At Stile, Geyser Camp, Bath House and Crowd | 1911-08 | Image | dha_scp |
| 34 |
 |
B.f. 6-11-55 | 1955-06-11 | Image | uum_map_rr |
| 35 |
 |
Badlands along upper Green River | 1909-09; 1909-10 | Image | uum_map |
| 36 |
 |
Bar-C Ranch P.1 | Image | dha_cp | |
| 37 |
 |
Bar-C Ranch P.2 | 1934 | Image | dha_cp |
| 38 |
 |
Barn, Swan Lake | 1911-08 | Image | dha_scp |
| 39 |
 |
Barn, Swan Lake | 1911-08 | Image | dha_scp |
| 40 |
 |
Barns at Riverside | 1911-08 | Image | dha_scp |
| 41 |
 |
Bath House, Geyser Camp | 1911-08 | Image | dha_scp |
| 42 |
 |
Bear preparing to cross road | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image | uum_map |
| 43 |
 |
Bear River City, Wyoming P.1 | Image | dha_cp | |
| 44 |
 |
Beckwith & Co. Bank | Image | dc_bpc | |
| 45 |
 |
Beckwith home | Image | dc_bpc | |
| 46 |
 |
Beckwith, A. C. stock farm | Image | dc_bpc | |
| 47 |
 |
Beckwith, A.C. store | Image | dc_bpc | |
| 48 |
 |
Beckwith, Frank A. | 1892 | Image | dc_bpc |
| 49 |
 |
Beckwith, Frank Asahel | 1883-05-01 | Image | dc_bpc |
| 50 |
 |
Beckwith, Frank Asahel | 1896 | Image | dc_bpc |