593. Ownership of property.

593.     Ownership of property.

The King's Field was originally Crown property in the right of the Duchy of Lancaster1, and with other districts was from time immemorial subject to customs by which any subject of the realm was entitled to search and mine for lead on payment of certain mineral duties2. Notwithstanding the apparent ending of mining for lead3, the customs have not been abrogated.

According to the districts in which the mines4 are situated, the mineral duties belong to the Crown, its lessees or private owners5. The land enclosing