Where the street layout on the ground varies from the street layout as shown on the Official Zoning Map, or there is a doubt in a particular instance as to what boundary line is controlling, the question of such determination shall be adjudicated by the Board of Adjustment. The designation shown on the Official Zoning Map and as described herein shall be applied to the ground by the Board of Adjustment after due notice and public hearing (in accordance with the provisions of N.J.S.A. 40:55D-1, et seq.) in such a way as to carry out the intent and purpose of the map and this Chapter.