16 U.S.C. § 425f : US Code - Section 425F: Ascertaining and marking lines of battle

Search 16 U.S.C. § 425f : US Code - Section 425F: Ascertaining and marking lines of battle

It shall be lawful for the authorities of any State having had
troops engaged in said battles of Fredericksburg, Spotsylvania
Court House, Wilderness, and Chancellorsville, including Salem
Church, or in any of said battles, to enter upon the lands and
approaches of the Fredericksburg and Spotsylvania County Battle
Fields Memorial for the purposes of ascertaining and marking the
lines of battle of troops engaged therein: Provided, That before
any such lines are permanently designated, the position of the
lines and the proposed methods of marking them by monuments,
tablets, or otherwise, including the design and inscription for the
same, shall be submitted to the Secretary of the Interior, and
shall first receive written approval of the Secretary, which
approval shall be based upon formal written reports to be made to
him in each case by the commissioners of the park: Provided, That
no discrimination shall be made against any State as to the manner
of designing lines, but any grant made to any State by the
Secretary of the Interior may be used by any other State.