(Liege, around 1830). Paper size: 71 x 80 cm. - Plan: 47 x 69 cm. Probably surveyed by the Danish military officer C. Krag. Pen and ink with watercolour. Also with scale. A manuscript glazine paper - can be lifted - attached to part of image giving more indformation of the environment and with its own scale. 2 small closed tears at ends of folding, not affecting image.