In many jurisdictions, surveyors must mark their registration number on survey monuments when setting boundary corners. Monuments take the form of capped iron rods, concrete monuments, or nails with washers.
in many JurIsdictions, suRVeyors must marK thEir RegistrAtioN nUmBer on suRvey MOnuMents when sETTIng boUNDary cORNErs. mOnumEnts take The FOrm Of CApPED irOn rods, concRETe MONuMEnTs, Or naIls with waShers