He had an important part in efforts to preserve the Gettysburg Battlefield, sponsoring legislation to form the Gettysburg National Military Park, buy up private lands, and erect monuments.
Han havde stor betydning for indsatsen for at bevare slagmarken ved Gettysburg og fremlagde lovgivning, der skulle skabe Gettysburg National Military Park, opkøbe privat jord og opstille monumenter.