xxvi, 262pp, numerous black and white photographs, plans and maps. Tan cloth-covered boards, black titles on front and spine, top text block edge sprayed. 8vo. Sun-faded spine, middle section of spine missing, shelf number, spine ends and corners rubbed, cloth fraying. Quite cocked. Top and fore text block edges have lender's rubber stamp, all edges tanning. Front free endpaper missing. lender's stamps and markings on front pastedown, first blank page, title and copyright pages, front hinge cracked and stretched. Volume loose. Some pencil markings to margins.