Ptolemaios II Philadelphos Lagid initiated numerous architectural and economic projects throughout Egypt, aimed at bolstering royal coffers and the general productivity of the land. In 258 BC he commissioned a 'General Inventory' in which the whole of Egypt was surveyed to determine the quantity of different types of land, irrigation, canals, and forests within the kingdom and the amount of income that could be levied from it. Efforts were made to increase the amount of arable land in Egypt...