War minerals relief claims. Letter from the Secretary of the Interior, transmitting, in response to a Senate resolution of January 19, 1921, a complete descriptive list of all claims filed under section 5 of the Act of March 2, 1919 (40 Stat., 1272, 1274), together with copies of legal constructions placed upon the act by the Secretary of the Interior, the Attorney General, the Solicitor for the Interior Department, and the Comptroller of the Treasury.