A bill to amend section 21 of the Mineral Leasing Act (41 Stat. 445), as amended (30 U.S.C. 241).

Authorizes the Secretary of the Interior to grant to any person holding a lease for oil shale under the provisions of the Mineral Leasing Act, additional leases for lands outside the oil shale lease lands. Restricts the use of such lands. Provides that such leases shall not be issued unless the lessee shows that the additional land is necessary to the operations under the oil shale lease and that the lease is in the public interest.