REMOVE

1. plants
2. water
3. machinery
4. 1975

WHAT

1. Lincoln Continental autom … (1)
2. Visual Works (hierarchy n … (1)
3. automobiles (1)
4. color film (film) (1)

More 

WHERE

1. Carroll County, Maryland (1)

WHO

1. Still, Patricia (1)

WHEN

1. circa 1975 October (1)