Tracey was last seen at 9.30pm on January 29, 1976, in Great North Rd outside the old Henderson police station. She said goodbye to her girlfriend and crossed the road to ask an elderly couple what the time was.
Appearing upset that she was late, Tracey ran towards her home 1.6km away. She was found dumped in he Waitakere Ranges"
The number could always be bogus and intended to throw off investigators. Even so there are many utility marker post type things with numbers on them. I wonder if it could be pointing to something like that.