"Treefall" was originally made for a dance performance at the Vancouver Art Gallery, April, 1970. Structured in the form of two loops of high-contrast images of trees falling, reprinted and overlapped. Preserved by the Academy Film Archive in 2014.
1975
1986
1989
1968
1961
1984
1972
1959
1964
1982
1952
1973
1950
1966
1970
1951