REMOVE

1. aluminum, steel, paint
2. North American; American
3. 1969/1971
4. 1971

WHAT

1. Sculpture (1)
2. aluminum, steel, paint (1)

WHERE

1. North American; American (1)

WHO

1. Oldenburg, Claes (1)
2. Walker Art Center (1)

WHEN

1. 1969 (1)
2. 1969/1971 (1)