REMOVE

1. Slate
2. Massachusetts
3. Burying Ground

WHAT

1. Destruction (Deterioratio … (4)
2. Destruction (Erosion) (1)

WHERE

1. Boylston (2)
2. Chelmsford (2)
3. Princeton (1)

WHO

1. Unknown (2)
2. Colburn, Paul (1)
3. Keyes, Elizabeth (1)

WHEN

1. 1793 (1)