 There he was involved in the shipping and banking businesses, built five lighthouses (including one on Askold Island in 1880–1881, one at the mouth of the Syfoon River, one at the western entrance to the Bosphorus in 1883, and another on Cape Povarotnaja in 1894), flour mills (1879 and 1880-1881), houses, barracks, hospitals, the naval yard and dry dock (1891-1896), and founded a brick factory and gold and coal mines.Lindholm married twice