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1 Bob Marsh avalanche education slide presentation [121]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; 1985Image/StillImage
2 Mountains at Snowbird1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980Image/StillImage
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