The Great Stone Retaining Wall of Onteora

 

At base, note pile of loose native stone in foreground.

At base, note pile of loose native stone in foreground.

Like other more familiar great walls, this stone veneered retaining wall required a degree of engineering to ensure that it fills its purpose. 500 feet long and up to 16 feet high, this wall holds back a massive amount of rubble and fill, plus a roadbed, throughout its length and through most of its full height. Drainage at the roadbed and at the foot of the wall were carefully considered. The wall is ten inches of reinforced concrete veneered with five inches of local fieldstone and cut ashlar units on both sides. The stone veneer was installed by Cassella Corporation, of Red Hook, NY. The mortar joints were deeply raked to approximate dry laid stone.

From roadbed.

From roadbed.

List of Stone Masons

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