Ian, And the remains of an old railway line still clearly exist at the rear of the beach just north of the Glenrock Lagoon. Cheers, Phil Young. "He said the new owners found the Glenrock site too difficult to work and decided not to use the coast railway to The Junction. Instead, they hauled coal from a newer mine site, Burwood No.3 Colliery on present Burwood Road, at Whitebridge, through Adamstown down to Newcastle wharves.