REMOVE

1. bridges (built works)
2. 1920

WHAT

1. exterior views (2)
2. landscapes (representatio … (2)
3. silver gelatin (2)
4. sky (2)

WHERE

1. Alberta, Canada (1)
2. Spokane, Washington (1)

WHO

1. Clyfford Still; Still, Cl … (2)
2. Still, Clyfford (2)

WHEN

1. 1930 (1)
2. 1945 (1)
3. between circa 1929 and ci … (1)
4. circa 1925 (1)