Accurate statistics with regard to the area occupied in different forms of cultivation are difficult to obtain, both on account of their varied and piecemeal character and from the lack of a complete cadastral survey.
The impost upon land is based upon the cadastral survey independently of the vicissitudes of harvests.
Besides the realization of the formal programme of the Left, consisting of the repeal of the grist tax, the abolition of the forced currency, the extension of the suffrage and the development of the railway system Depretis laid the foundation for land tax re-assessment by introducing a new cadastral survey.
Among them were cadastral plans of villages, maps of the provinces of the empire of the Aztecs, of towns and of the coast.
(Sesostris of the Greeks, 1 3331300 B.C.) there had been made a cadastral survey of the country showing the rows of pillars which separated the nomens as well as the boundaries of landed estates.