(This measure has not been amended since it was passed by the House on October 15, 2003. The summary of that version is repeated here.)
Johnstown Flood National Memorial Boundary Adjustment Act of 2004- Modifies the boundary of the Johnstown Flood National Memorial to include specified additional lands to be: (1) acquired by the Secretary of the Interior by donation, purchase, or exchange from willing sellers; and (2) administered by the Secretary as part of the Memorial. Authorizes appropriations.