1111.03 MONUMENTS.
   At the time of surveying and laying out a subdivision or addition to a Municipal corporation, the proprietor of such subdivision or addition shall plant at the corner of the public ground or lot, if there is such, and if there is none, then at the corner of one of the in-lots and at the corner of each out-lot, a good and sufficient stone of such size and dimensions and in such manner as the surveyor provided for under Ohio R.C. 711.01 for a corner from which to make future surveys, and the point at which it may be found shall be designated on the plat.
   Such proprietor shall also set at least four permanent markers in each plat of ten lots or less and not less than six permanent markers in each plat containing over ten lots; iron pins shall be set at all lot corners. Such permanent markers shall be of one-inch pipe or steel rods set in and running through a concrete block at least six inches in diameter and at least thirty-six-inches long, and the bottom of such concrete block shall be set at least thirty-six inches deep, below finished grade in the plat, and the points at which they may be found shall be designated on the plat.
   The perimeter corners of each out-lot shall be concrete monuments of rectangular truncated prisms six inches by six inches at the top and eight inches by eight inches at the base and forty-eight inches long, with tops six inches above finish grade and carrying a
permanent marked point in the top surface. (Ord. 45-67. Passed 8-7-67.)