901.06 DIRECTIONAL INDICATIONS.
The City is hereby divided by:
(a) A north-south line to be known as the City meridian, which shall follow the center line of the Great Miami River, and by
(b) An east-west base line, which shall follow the center line of High and Main Streets from the Great Miami River to Millville Ave., and Millville Ave., from Main Street to the western corporation line.
Names of thoroughfares in that section of the City east of the City meridian and north of the base line shall bear the suffix N.E., meaning North East; similarly, names of thoroughfares in each other section of the City. marked off by the City meridian and the base line shall, respectively, bear the proper suffix, S.E., N.W., or S.W. (1931 Code §20.4100)