REMOVE

1. yellow-green stone and ivory
2. North American; Canadian
3. Unknown
4. 1960

WHAT

1. Sculpture (1)
2. yellow-green stone and iv … (1)

WHERE

1. Canada: Northwest Territo … (1)
2. North American; Canadian (1)

WHO

1. National Gallery of Canad … (1)

WHEN

1. 1969 (1)
2. c. 1960-1969 (1)