CAPTION: The Block House of old Fort Pitt about 1890, as it appeared before its restoration. The Point at that time was thickly populated. NOTES: Additional views of the Block House show it as it may have looked in 1764; picturesquely when used as a dwelling; somewhat ramshackle; and under water in 1907. PHOTOGRAPHER: DATE: c1890. HEADING: Pittsburgh. Forts. Duquesne. #: A959. From the Collections of the Pennsylvania Department, The Carnegie Library of Pittsburgh: Lorant Collection.