Suspension of assessment work on mining claims. Acquisition by the Geological survey of certain collections for the United States. Consruction of an experiment station of the Bureau of Mines, Rolla, Mo

[Investigation of mining debris question in California.]

Acquisition and holding of lode claims in the District of Alaska

Administration of War Minerals Relief Act. Letter from the Secretary of the Interior transmitting in response to Senate Resolution No. 263, copies of rules, regulations, and promulgations followed by the Department of the Interior in the administration of "an act to provide relief in cases of contracts connected with the prosecution of the war, and for other purposes," approved March 2, 1919, as amended

Amend the act entitled "An act to create the California Debris Commission and regulate hydraulic mining in the State of California", approved March 1, 1893, as amended

Amending section 2326 of the Revised Statutes

Amending section 2327 of the Revised Statutes