Singapore has so far not made use of the age variations of her
land surface that result from extensive land reclamation and
grading for planning purposes. Sites where evidences of humanactivities have been excavated over the past three decades have
been mapped (Miksic, 2000; Miksic & Low, 2005 (Reprint
edition)), and the question of the legal status of subsoil antiquities
has been raised (Lee, 2013).