She was also known as Tug No. 4 .
Delta -- a steam tugboat -- was purchased as Linda at Philadelphia , Pennsylvania , 3 June 1864 , and renamed Delta on 27 November .
Linda was also known as Tug No. 4 .
Delta -- a steam tugboat -- was purchased as Linda at Philadelphia , Pennsylvania , 3 June 1864 , and renamed Delta on 27 November .