Category: Blakistone Island

Timeline: Blackistone Island Lighthouse

(Located on the southern tip of St. Clement’s Island, St. Mary’s County, MD, on the mouth of the St. Marys’ River on the Potomac River. AKA Blakistone Island – revised 8/16/13) 1851 Two story brick dwelling with integral tower built on Blackistone Island by John Donahoo. 2nd last lighthouse built by Donahoo. 1857 Tower fitted …

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