The invention provides marking apparatus for a fire hydrant or other utilities fixtures comprising a mast-holding bracket comprising a hollow pipe, means for removably securing the pipe to the fire hydrant or other utilities fixtures and an elongated mast removably received in the hollow pipe, the mast comprising a solid cylindrical flexible core and a flexible outer shell for mounting on the core, further comprising fastening means for securing the mast to the pipe. The apparatus can be attached to the outlet of a fire hydrant, the hole for the lifting bolt of a transformer or to a junction box, or as part of a concrete pedestal.