Federal Coal Leasing Amendments Act

Federal Coal Leasing Amendments Act - Directs the Secretary of the Interior to use a sealed bid system in the competitive bidding presently required for the guarding of coal leases under the Mineral Leasing Act of 1920.

Requires that such leases for the mining of deposits of coal owned by the United States shall be for a term of ten years.

Provides for a system of deferred bonus payment in connection with leases covered by this Act.

Sets limitations, based upon fair market value, upon those bids which the Secretary may accept for coal leases under this Act.

Requires that prior to issuing any such lease, the Secretary shall conduct an assessment of the coal and the land proposed to be leased giving an opportunity for and consideration to, public comments on such assessment.

Requires leases under this Act to meet specified comprehensive land use plan requirements. Requires that environmental impact aspects of such leases be considered by the Secretary.

Requires that leases covered by this Act meet the applicable provisions of the Surface Mining Control and Reclamation Act of 1974.

Authorizes the Directs of the Office of Technology Assessment to conducts study of coal leases entered into by the United States.