Negotiations were progressing with the company, when in July 1969 the quarry closed at short notice.
In fact, that probably explains why the quarry closed down.
The quarry closed in 1959, having employed 20 to 30 men for most of its active life.
Since the last quarry closed in 1936, all have been filled in to some degree.
Since the quarry closed in 1983, a golf course, new homes and a school have been built nearby.
The quarry closed in July 1969, the result of industry decline and difficult slate removal.
After the prison and quarry closed, a civil defense bunker opened on the site in 1956.
Without a decent job since the local quarry closed, Caleb has been left trying to sell real estate that no one wants.
In 1907, the quarry closed and the tunnels were bricked up.
The quarry has now closed and is being redeveloped for housing.