Adequate monuments to indicate street lines shall be placed at street intersections, at points of change in alignment and at the ends of streets. Such monuments shall be of suitable hard stone at least twenty inches in depth and five inches square, with a drill hole in the center set at the true point indicated. Iron pins set in concrete cylinders having a depth of twenty inches and a diameter of six inches may also be used. The top of such monument shall be set so that the top will be about ten inches below the established grade of the street, and covered with a cast iron “monument box” (so called) with a removable cover.
(Ord. 61-58. Passed 10-7-58.)