English: Effingham Capron was a leading anti-slavery advocate at the local, state and national levels. He was an industrial mill pioneer in the historic Blackstone River Valley at Uxbridge, Massachusetts. The park in his name is in downtown Uxbridge, MA, opposite the factory that his family built and owned.
{{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|Effingham Capron was a leading anti-slavery advocate at the local, state and national levels. He was an industrial mill pioneer in the historic Blackstone River Valley at Uxbri...