A bill to amend section 21 of the Act of February 25, 1920, commonly known as the Mineral Leasing Act.

[AI summary unavailable — showing source text] Amends the Mineral Leasing Act to revise the authority of the Secretary of the Interior to lease lands containing oil shale deposits. Permits such leases to exceed 5,120 acres of land if necessary to permit long-term commercial operations. Increases the number of leases which may be held to two in any State and four nationwide. Permits the acquisition of one additional lease in a State by a lessee who has achieved commercial production in both existing leases and is within ten years of exhausting the reserves on one of the leases. Authorizes the unlimited issuance of leases to avoid bypassing small acreages of oil shale resources which otherwise could not be mined economically. Authorizes the Secretary to lease additional lands required in support of operations necessary for the recovery of oil shale. Includes within such operations the disposal of oil shale waste and the building of facilities; but excludes the removal of any mineral deposits. Authorizes the Secretary to issue leases for additional lands after considering the need for such lands, the environmental impact, and determining that the public interest will be served. States that a lease shall include lands the Secretary…