Letter from the Secretary of the Treasury, transmitting two statements from the General Land Office showing the quantity of land in each district in which the public lands have been exposed to sale, the quantity which has been sold, and the quantity which remains for sale; and the emoluments of the receivers and registers of the land offices for four years preceding the 1st day of October, 1817. : February 2, 1818. Read, and referred to the Committee on Public Land.