How well do you know your Harford County History? by harford | @ | June 25, 2015 8:28 am Twitter Facebook Google+ LinkedIn Pinterest 0 This rubblestone grain mill was built in 1857 by Samuel Wetherill and was located in Jarrettsville. Related Posts Harford Designates 135-Year-Old African-American Church as Historic Landmark Clark’s Chapel Methodist Episcopal Church has been… How well do you know your Harford County History? This is a great special that… How well do you know your Harford County History? Harford County Public Library Has been…