To improve protection and management of the Chattahoochee River National Recreation Area in the State of Georgia.

[AI summary unavailable — showing source text] Provides for an additional map to depict lands added to the Chattahoochee River National Recreation Area, Georgia, pursuant to this Act. Allows the Secretary of the Interior, no sooner than 180 days after the enactment of this Act, to modify the boundaries of the Area to include other lands within the Chattahoochee River corridor by submitting a revised map or other boundary description to specified congressional committees. Prohibits such revised boundaries from taking place if Congress adopts a Joint Resolution disapproving the revision. Increases the total acreage limitation for the Area to 10,000 (currently, approximately 6,800). Repeals Federal provisions providing for exchange of Federal lands within the Area for non-Federal lands within its boundaries. Authorizes the Secretary to enter into cooperative agreements with other entities (currently, Georgia and its political subdivisions) to assure standardized acquisition, planning, design, construction, and operation of the Area. Decreases from $79.4 million to $25 million the cap on the authorization of appropriations for land acquisition for the Area. Authorizes the Secretary to accept the donation of funds and lands or inter…