manuscript map centred on Beaconsfield, with north oriented to lower right, extending either side of the London to Oxford road to Wooburn Heath and Hebborn Lee to the west, and past Wilton Park and Ashlings to Bottom House, to the north, with inset table of preparatory work required to clear hedges and fill ditches, pen and black ink, with ink and watercolour washes, on two sheets joined, 1065 x 370mm., signed Lt C. Robison 24th, lower left, old folds, dust staining at either end , early to mid 19th century; with 2 other manuscript maps, England and Wales, by G.A. Butler of Wittersham Academy, 1835, and Sussex, by John Naylor, 1877 (3)