Original sentence: These were located in places such as the townland of Aghakeeran (field of rowans, or wild mountain ash trees) in the 1700s, where there was a Mass Garden and in nearby Aghnaglack during the same period, where there was a Mass Cave "Prison"
Edited sentence: These were located in places such as the townland of Aghakeeran (field of rowans, or wild mountain ash trees) in the 1700s, where there was a Mass Garden and in nearby Aghanaglack during the same period, where there was a Mass Cave "Prison"