| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 901 |
 | P0422n01_08_021 | 1967-07-26; 1969-04 | uum_map_usa | |
| 902 |
 | P0422n01_08_022 | 1967-07-21; 1969-04 | uum_map_usa | |
| 903 |
 | Pack and Kohler family, from Byron to Greybull, Wyo. | 1907; 1908; 1909; 1910; 1911; 1912; 1913; 1914; 1915; 1916; 1917; 1918; 1919; 1920; 1921; 1922; 1923; 1924; 1925; 1926; 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935 | Image/StillImage | uum_map |
| 904 |
 | Party at camp, about 5 miles below Green River, Wyoming. (2) | 1922-07-12; 1922-07-13 | uum_map_rr | |
| 905 |
 | Paul McCollister and Alex Morley look over plans for a new ski resort in Jackson Hole, circa 1960s | 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image/StillImage | uum_map_usa |
| 906 |
 | Paul McCollister skiing, early 1960s [01] | 1960; 1961; 1962; 1963; 1964; 1965 | Image/StillImage | uum_map_usa |
| 907 |
 | Paul McCollister skiing, early 1960s [02] | 1960; 1961; 1962; 1963; 1964; 1965 | Image/StillImage | uum_map_usa |
| 908 |
 | Paul McCollister skiing, early 1960s [03] | 1960; 1961; 1962; 1963; 1964; 1965 | Image/StillImage | uum_map_usa |
| 909 |
 | Paul McCollister, founder of Jackson Hole Corporation [01] | 1980; 1981; 1982; 1983; 1984; 1985 | Image/StillImage | uum_map_usa |
| 910 |
 | Paul McCollister, founder of Jackson Hole Corporation [02] | 1980; 1981; 1982; 1983; 1984; 1985 | Image/StillImage | uum_map_usa |
| 911 |
 | Paula K. Valier at Twin Slides | 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949 | uum_map_usa | |
| 912 |
 | Pesticides in surface waters of the upper Colorado River basin, Colorado, 1996-98 | 2000 | Text | wwdl_er |
| 913 |
 | Photograph of Snow King Resort, Jackson Hole, Wyoming | 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990 | Image | uum_map_usa |
| 914 |
 | Photograph of Snow King Resort, Jackson Hole, Wyoming | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000 | Image | uum_map_usa |
| 915 |
 | Photograph of Snow King Resort, Jackson Hole, Wyoming at night | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999 | Image | uum_map_usa |
| 916 |
 | Platte River ecosystem resources and management, with emphasis on the Big Bend reach in Nebraska. US Fish and Wildlife Service, Grand Island, Nebraska | 1997 | Text | wwdl_er |
| 917 |
 | Plowing their way thro' on their way to Yellowstone Park | 1920; 1921; 1922; 1923 | uum_map | |
| 918 |
 | Pony Express Route - April 3, 1860 to October 24, 1861 | 1860; 1861; 1960 | Image/StillImage | ucl_maps |
| 919 |
 | Portrait of Paul McCollister | 1985; 1986; 1987 | Image/StillImage | uum_map_usa |
| 920 |
 | Possibly the Wyoming badlands. | 1920; 1921; 1922; 1923; 1924; 1925; 1926; 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939 | Image | uum_map |
| 921 |
 | Powell Expedition (2nd) P.34 | 1871 | Image | dha_cp |
| 922 |
 | Powell Expedition (2nd) P.38 | 1871 | Image | dha_cp |
| 923 |
 | Powell's Monument, Green River, Wyo. 6-11-55 | 1955-06-11 | Image | uum_map_rr |
| 924 |
 | Powell's Monument, Green River, Wyo. 6-11-55 | 1955-06-11 | Image | uum_map_rr |
| 925 |
 | Priority Ecosystem Study - Platte River Program | 2004 | Text | wwdl_er |