Hearings on H.R. 18176, Making an Appropriation for the Survey of Public Lands Lying Within the Limits of Land Grants To Provide for the Forfeiture to the U.S. of Unsurveyed Land Grants to Railroads, and for Other Purposes [microform] : hearings before the United States House Committee on Public Lands, Sixty-First Congress, second session, on Feb. 3, 1910