| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 201 |
 | Trout Lake Dam, Colorado | 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 | Image | uum_map |
| 202 |
 | Trout Lake flume, Colorado | 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 | Image | uum_map |
| 203 |
 | unidentified Anasazi ruin | 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 |
| 204 |
 | unidentified person | 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; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image | uum_map_rr |
| 205 |
 | unidentified persons on boats (unmounted) | 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 |
| 206 |
 | unidentified persons on boats (unmounted) | 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 |
| 207 |
 | Unidentified persons with boat, Hardoing Hole camp | 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 |
| 208 |
 | Union Pacific Railroad - Locomotives P.56 | 1956 | Image | dha_cp |
| 209 |
 | Union Pacific Railroad - Locomotives P.57 | 1956 | Image | dha_cp |
| 210 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 211 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 212 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 213 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 214 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 215 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 216 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 217 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 218 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 219 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 220 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 221 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 222 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 223 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 224 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |
| 225 |
 | View photographed while boating down the Yampa River. | 1956 | Image | uum_map |