A new method of improving cold, wet, and barren lands Particularly Clayey-Grounds. With The Manner of burning Clay, Turf, and Mole-Hills; as practised in North-Britain. To which is added, The Method of cultivating and raising Fruit Trees in such Soils - Blackwell, Alexander d. 1747 (printed for J. Walthoe, over-against the Royal-Exchange, in Cornhill, 1741)