To revise the boundaries of the Gettysburg National Military Park to include the Gettysburg Train Station, and for other purposes.

Requires the inclusion of the land and interests commonly known as Gettysburg Train Station and its immediate surroundings in the Borough of Gettysburg, Pennsylvania, and the land and interests located along Plum Run in Cumberland Township, Pennsylvania, in Gettysburg National Military Park if the owner of the property has provided written consent for its inclusion.

Authorizes the Secretary of the Interior to acquire publicly or privately owned property within the area of the Train Station by purchase, from willing sellers only, if efforts to acquire such property without cost have been exhausted. Prohibits the acquisition of property within the areas of the Train Station and along Plum Run by eminent domain.