J Dower 'Van Diemans Land' Tasmania map circa 1831, published by Henry Teesdale & Co. 41 by 33 cm, Purchased P.J. Radford Rare Map Dealer, 1978. ''Though based on Hal's map of 1828 only three years earlier, Dower shows the results of considerable further exploration, many new rivers, mountain chains &c. being added... ' Includes original colour on the boundaries of districts and the island itself.