The said boundary lines so run and marked by the above-named (joint commission) commissioners on the part of this commonwealth and the states of Ohio and West Virginia, and described in their reports, maps and accompanying documents, now remaining on file in the department of internal affairs, are hereby accepted and declared to be the true and just lines of boundary and jurisdiction between this commonwealth and the states of Ohio and West Virginia, as aforesaid.
71 P.S. § 1839