| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 1401 |
 |
Bob Marsh avalanche education slide presentation [027] | 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 | Image/StillImage | uum_map_usa |
| 1402 |
 |
Bob Marsh avalanche education slide presentation [028] | 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 | Image/StillImage | uum_map_usa |
| 1403 |
 |
Bob Marsh avalanche education slide presentation [029] | 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 | Image/StillImage | uum_map_usa |
| 1404 |
 |
Bob Marsh avalanche education slide presentation [030] | 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 | Image/StillImage | uum_map_usa |
| 1405 |
 |
Bob Marsh avalanche education slide presentation [031] | 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 | Image/StillImage | uum_map_usa |
| 1406 |
 |
Bob Marsh avalanche education slide presentation [032] | 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 | Image/StillImage | uum_map_usa |
| 1407 |
 |
Bob Marsh avalanche education slide presentation [033] | 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 | Image/StillImage | uum_map_usa |
| 1408 |
 |
Bob Marsh avalanche education slide presentation [034] | 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 | Image/StillImage | uum_map_usa |
| 1409 |
 |
Bob Marsh avalanche education slide presentation [035] | 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 | Image/StillImage | uum_map_usa |
| 1410 |
 |
Bob Marsh avalanche education slide presentation [036] | 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 | Image/StillImage | uum_map_usa |
| 1411 |
 |
Bob Marsh avalanche education slide presentation [037] | 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 | Image/StillImage | uum_map_usa |
| 1412 |
 |
Bob Marsh avalanche education slide presentation [038] | 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 | Image/StillImage | uum_map_usa |
| 1413 |
 |
Bob Marsh avalanche education slide presentation [039] | 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 | Image/StillImage | uum_map_usa |
| 1414 |
 |
Bob Marsh avalanche education slide presentation [040] | 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 | Image/StillImage | uum_map_usa |
| 1415 |
 |
Bob Marsh avalanche education slide presentation [041] | 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 | Image/StillImage | uum_map_usa |
| 1416 |
 |
Bob Marsh avalanche education slide presentation [042] | 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 | Image/StillImage | uum_map_usa |
| 1417 |
 |
Bob Marsh avalanche education slide presentation [043] | 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 | Image/StillImage | uum_map_usa |
| 1418 |
 |
Bob Marsh avalanche education slide presentation [044] | 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 | Image/StillImage | uum_map_usa |
| 1419 |
 |
Bob Marsh avalanche education slide presentation [045] | 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 | Image/StillImage | uum_map_usa |
| 1420 |
 |
Bob Marsh avalanche education slide presentation [046] | 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 | Image/StillImage | uum_map_usa |
| 1421 |
 |
Bob Marsh avalanche education slide presentation [047] | 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 | Image/StillImage | uum_map_usa |
| 1422 |
 |
Bob Marsh avalanche education slide presentation [048] | 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 | Image/StillImage | uum_map_usa |
| 1423 |
 |
Bob Marsh avalanche education slide presentation [049] | 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 | Image/StillImage | uum_map_usa |
| 1424 |
 |
Bob Marsh avalanche education slide presentation [050] | 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 | Image/StillImage | uum_map_usa |
| 1425 |
 |
Bob Marsh avalanche education slide presentation [051] | 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 | Image/StillImage | uum_map_usa |