Indiana Dunes National Lakeshore Completion Act

[AI summary unavailable — showing source text] Defines the boundaries of the Indiana Dunes National Lakeshore. Directs the Secretary of the Interior to prepare a comprehensive master plan which shall include developmental priorities for the Lakeshore. Allows interim usage of the lakeshore by the public, to be regulated by the Secretary so long as such usage is consistent with good conservation practices and would not conflict with the comprehensive master plan. Authorizes appropriation of sums necessary to carry out this Act.…