16 U.S.C. § 423e : US Code - Section 423E: Ascertaining and marking lines of battle

Search 16 U.S.C. § 423e : US Code - Section 423E: Ascertaining and marking lines of battle

It shall be lawful for the authorities of any State having had
troops engaged at Petersburg, to enter upon the lands and
approaches of the Petersburg National Battlefield for the purpose
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
battlefield: Provided, That no discrimination shall be made against
any State as to the manner of designating lines, but any grant made
to any State by the Secretary of the Interior may be used by any
other State.