(a) Commitment to reclaim land at no expense to Federal Government
The Secretary may not acquire such lands within the western section of area I–E, as designated on map numbered 626–91007, which have been used for solid waste disposal until he has received a commitment, in accordance with a plan acceptable to him, to reclaim such lands at no expense to the Federal Government.

(b) Cooperation with State of Indiana or subdivision thereof to develop area
With respect to the property identified as area I–E on map numbered 626–91007, the Secretary may enter into a cooperative agreement whereby the State of Indiana or any political subdivision thereof may undertake to develop, manage, and interpret such area in a manner consistent with the purposes of this subchapter.