REMOVE

1. sky
2. blue
3. 1938
4. 1949

WHAT

1. automobiles (1)
2. color film (film) (1)
3. Lincoln Continental autom … (1)
4. machinery (1)
5. plants (1)
6. portraits (1)
7. quarries (extracting comp … (1)
8. rock (1)
9. soil (1)
10. Visual Works (hierarchy n … (1)
11. water (1)

Less

WHERE

1. Carroll County, Maryland (1)

WHO

1. Still, Patricia (1)

WHEN

1. 1975 (1)
2. circa 1975 October (1)