| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 51 |
 |
Size variability in the worker caste of a social insect (veromessor pergandei mayr) as a function of the competitive environment | 1978 | Text | ir_uspace |
| 52 |
 |
Some consequences of diffuse competition in a desert ant community | 1980 | Text | ir_uspace |
| 53 |
 |
Species diversity and community organization in desert seed-eating ants | 1977 | Text | ir_uspace |
| 54 |
 |
Stiles' Ranch, Moqui Buttes, Ariz. 1909 | 1909 | Image | uum_map |
| 55 |
 |
Truck loaded with hay | 1979-11 | Image | dha_pour |
| 56 |
 |
Western wilds | 1879 | Text | uaida_main |
| 57 |
 |
White tailed squirrel at Jacob lake, Arizona in Kaibab National forest | 1944; 1945; 1946 | Image | uum_map |
| 58 |
 |
Wild horses, Little Colorado Valley, Ariz. 1909 | 1909 | Image | uum_map |
| 59 |
 |
Wild horses, Little Colorado Valley, Ariz. 1909 | 1909 | Image | uum_map |