Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Fort Banks Mortar Battery - Fort Banks Mortar Battery is a historic mortar battery on Kennedy Drive in Winthrop Massachusetts that was part of the old Fort Banks. It was originally built in 1892 and named for the Civil War general and congressman Nathaniel P. Banks It consisted of four concrete pits arranged in a square each of which had four 12 inch (300mm) diameter mortars which could throw an 800 pound (350 kg) shell 9 miles (14 km) to sea. The combination was known as an Abbott Quad.
Building