The BYLTPL trifinium is located at the Polish -
Soviet boundary marker No. 1789. This position has for sure another name -
maybe LTPL border marker 0?
To
left Polish border marker, to right Byelorussian border marker and across the
river the Lithuanian border marker. The position of BYLTPL measured to be 53°
57' 22"N 23° 30' 54,1"E.
