to remain available until expended: Provided , That notwithstanding any provision to the contrary of section 305(a) of Public Law 94–579 ( 43 U.S.C. 1735(a) ), any moneys that have been or will be received pursuant to that section, whether as a result of forfeiture, compromise, or settlement, if not appropriate for refund pursuant to section 305(c) of that Act ( 43 U.S.C. 1735(c) ), shall be available and may be expended under the authority of this Act by the Secretary to improve, protect, or rehabilitate any public lands administered through the Bureau of Land Management which have been damaged by the action of a resource developer, purchaser, permittee, or any unauthorized person, without regard to whether all moneys collected from each such action are used on the exact lands damaged which led to the action: Provided further , That any such moneys that are in excess of amounts needed to repair damage to the exact land for which funds were collected may be used to repair other damaged public lands. Miscellaneous trust funds In addition to amounts authorized to be expended under existing laws, there is hereby appropriated such amounts as may be contributed under section 307 of Public Law 94–579 ( 43 U.S.C. 1737 ), and such amounts as may be advanced for administrative costs, surveys, appraisals, and costs of making conveyances of omitted lands under section 211(b) of that Act ( 43 U.S.C. 1721(b) ), to remain available until expended. Administrative provisions The Bureau of Land Management may carry out the operations funded under this Act by direct expenditure, contracts, grants, cooperative agreements and reimbursable agreements with public and private entities, including with States. Appropriations for the Bureau shall be available for purchase, erection, and dismantlement of temporary structures, and alteration and maintenance of necessary buildings and appurtenant facilities to which the United States has title