The Fourth Privilege – Stone Mill and Dam at Mother Brook, Dedham, MA.
The Fourth Privilege is the fourth mill and damn built on Mother Brook. It’s fed by the Charles River. The Mill is now condominiums. You can’t see the damn from this angle but it’s on the left.
More Info:
http://www.waymarking.com/waymarks/WMDRPB_1639_History_of_Mother_Brook_2009_Dedham_MA
https://en.wikipedia.org/wiki/Mother_Brook#Fourth_privilege_2