193C—11.7 (542B) Monuments. Permanent monuments shall be constructed of reasonably permanent material solidly embedded in the ground and capable of being detected by commonly used magnetic or electronic equipment. The licensed land surveyor shall affix to the top of each monument set by the surveyor a cap of reasonably inert material bearing an embossed or stencil-cut marking of the Iowa license number of the licensed land surveyor. Monuments or marks placed in pavements need not be capped. See rule 11.3(542B).