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

[AI summary unavailable — showing source text] Amends the Mineral Leasing Act of 1920 to authorize additional leases of lands to holders of oil shale leases for purposes connected with operations pursuant to an oil shale lease. Limits such additional leases to no more than 6,400 acres. Provides that such land be used for any purposes, except mining, that the Secretary of Interior allows. Prohibits mining oil shale under such leases. Requires the lessee to show to the Secretary's satisfaction that the lessee needs the additional land and has the ability to conduct environmentally safe operations. Requires the Secretary's determination that the additional lease is in the public interest. Establishes guidelines for other lease provisions including rent and duration.…