12-5-12: MONUMENTS:
   A.   Permanent monuments shall be one inch (1") iron pipe, twenty four inches (24") in length. Permanent monuments shall be set at each corner or angle on the outside boundaries of the subdivision and at each intersection of street centerlines.
   B.   Lot monuments shall be three-fourths inch (3/4") pipe, eighteen inches (18") in length. Lot markers shall be placed at each corner of each lot. All stakes and monuments shall be set at proper elevations so that they will be flush with the ground when the finish grading is completed.
   C.   The surveyor shall furnish the village engineer a certificate stating that all monuments are in place and properly located upon the completion of installation of the required improvements. (1978 Code § 7-4-3)