REMOVE

1. landscapes (representations)
2. lakes (bodies of water)
3. Still, Clyfford
4. 1920

WHAT

1. trees (3)
2. exterior views (2)
3. silver gelatin (2)

WHERE

1. Alberta, Canada (2)
2. Lake Louise, Alberta, Can … (1)

WHO

1. Clyfford Still; Still, Cl … (2)

WHEN

1. 1945 (2)
2. 1924 (1)
3. between circa 1929 and ci … (1)
4. circa 1920–24 (1)