TEMPLE MOUNT WATCH (indirectly) - another quarry:

Another Second Temple quarry uncovered
By ETGAR LEFKOVITS (Jerusalem Post)

For the second time in the past year, archeologists have uncovered a Second Temple Period quarry whose stones were used to build the Western Wall, the Israel Antiquities Authority announced Monday.

The latest archeological discovery was made in the city's Sanhedria neighborhood, located about two kilometers from the Old City of Jerusalem.

The quarry was uncovered during a routine "salvage excavation" carried out by the state-run archeological body over the last several months ahead of the construction of a private house in the religious neighborhood.

The quarry is believed to be one of those used to build the Jerusalem holy site because the size of the stones match those at the Western Wall.

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Background here and here.