Bates & Doesburg. This photo-history takes you inside the gates of the U.S. Army base known today as Aberdeen Proving Ground (edged by Chesapeake Bay and the Bush and Gunpowder Rivers in Maryland), which has been home to ordnance, chemical, technology and artillery commands, to see daily life on the base, including views of the "Tonnerville" Trolley. 128 pages; approximately 200 B&W photographs, many previously unpublished; 6½"x 9¼"; softcover.