Where the street or lot layout actually on the ground, or as recorded, differs from the street and lot line. as shown on the Zoning Map, the Board of Zoning Appeals after notice to the owners of the property and after public hearing, shall interpret the Map in such a way as to carry out the intent and purpose of this Zoning Ordinance. In case of any question as to the location of any boundary line between zoning districts, a request for interpretation of the Zoning Map may be made to the Board and a determination shall be made by the Board.