| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 301 |
 | UMNH:Mamm:26471 | 2022-04-01 | umnh_vz_voucher | |
| 302 |
 | UMNH:Mamm:28190 | 2023-02-27 | umnh_vz_voucher | |
| 303 |
 | UMNH:Mamm:28191 | 2022-04-13 | umnh_vz_voucher | |
| 304 |
 | UMNH:Mamm:28207 | 2022-03-03 | umnh_vz_voucher | |
| 305 |
 | UMNH:Mamm:28223 | 2022-03-08 | umnh_vz_voucher | |
| 306 |
 | UMNH:Mamm:28224 | 2023-07-09 | umnh_vz_voucher | |
| 307 |
 | UMNH:Mamm:28225 | 2021-11-10 | umnh_vz_voucher | |
| 308 |
 | UMNH:Mamm:28226 | 2023-09-09 | umnh_vz_voucher | |
| 309 |
 | UMNH:Mamm:28227 | 2022-03-03 | umnh_vz_voucher | |
| 310 |
 | UMNH:Mamm:28842 | 2022-01-27 | umnh_vz_voucher | |
| 311 |
 | UMNH:Mamm:28843 | 2022-01-27 | umnh_vz_voucher | |
| 312 |
 | UMNH:Mamm:42441 | 2022-02-23 | umnh_vz_voucher | |
| 313 |
 | Underwater insects in small pond (100819) a | 2010-08-19 | Sound | uu_wss |
| 314 |
| Underwater Insects in small pond (100819) extended | 2010-08-19 | Sound | uu_wss |
| 315 |
 | unidentified mountain (Mt. Hood, Oregon?) | 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980 | Image | uum_map_rr |
| 316 |
 | Union Pacific Railroad - Locomotives P.60 | Image | dha_cp | |
| 317 |
 | Union Pacific Railroad - Locomotives P.61 | Image | dha_cp | |
| 318 |
 | Union Pacific Railroad - Locomotives P.62 | Image | dha_cp | |
| 319 |
 | Union Pacific Railroad - Locomotives P.64 | Image | dha_cp | |
| 320 |
 | Union Pacific Railroad - Locomotives P.65 | Image | dha_cp | |
| 321 |
 | Union Pacific Railroad -Locomotives P. 23 | Image | dha_cp | |
| 322 |
 | Upper Klamath Basin nutrient-loading study- estimate of wind-induced resuspension of bed sediment during periods of low lake elevation | 1996 | Text | wwdl_er |
| 323 |
 | Upper Klamath Lake Basin nutrient-loading study-assessment of historic flows in the Williamson and Sprague Rivers | 1999 | Text | wwdl_er |
| 324 |
 | VOL3NO19P04 | wc_tw | ||
| 325 |
 | Water quality in the Willamette Basin, Oregon, 1991-95 | 1998 | Text | wwdl_er |