... has proved the very man for the work, and the volunteers lend a ready hand to carry out every order. Pickens is covered by our batteries on three sides. There are eight between the Navy-Yard and Fort Barrancas , four between the latter and the Light House, and a formidable mortar battery in the rear of Fort McRea. There is also a heavy mortar battery in the rear of Barrancas. All these works have been c...