PROBLEM TO BE SOLVED: To provide a boundary marker enabling reduction time of digging holes and labor for laying operation.;SOLUTION: The boundary markers 1 includes a body section 2 with a mark 5 placed for indicating a land mark and a slip stopping section 3 that is located juncturally at a lower end of the body section 2 and has a maximum cross section with a maximum area among arbitrary cross sections. The slip stopping section 3 is formed so that the lower part thereof is reduced in cross section and tapers off towards the lower end.;COPYRIGHT: (C)2006,JPO&NCIPI
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