Explanation of boundaries.
A. District boundary lines on ways. Where the boundary lines are shown upon said map within the street lines of public and private ways, railroads or utility lines, the center lines of such ways, railroads or utility lines shall be the boundary lines.
B. District boundary lines on lot lines. Where the district boundary lines are shown approximately on the location of property or lot lines and the exact location of property, lot or boundary lines is not indicated by means of dimensions shown in figures, then the property or lot lines shall be the zoning district boundary lines.
C. District boundary lines outside of street lines. Boundary lines located outside of such street lines, railroad or utility lines and shown approximately parallel thereto shall be regarded as parallel to such lines, and dimensions shown in figures placed upon said map between such boundary lines and street, railroad and utility lines are the distances in feet of such boundary lines from such street, railroad or utility lines, such distances being measured at right angles to such street, railroad or utility lines unless otherwise indicated.
