Great Colonnade at Apamea columns display two main designs: a plain one, and the distinctive spiral-flutes. Archaeologist Jean Lassus argues that the former dates back to the Trajanic period, while the latter to that of Antoninus Pius. The colonnade's porticoes were paved with extensive mosaics along the full stretch of the colonnade. Under the Byzantine Emperor, Justinian I, several parts of the colonnade were restored. The street was narrowed to by adding a sidewalk on either side. Several stretches of the street had their Roman pavement replaced with a new pavement made of squared blocks of limestone. The new pavement also covered a completely
White Pine Series of Architectural Monographs consistent presentation. They were also able, in many cases, to make use of the original photographs which had been given to Weyerhauser by Whitehead's widow. In 2006 the Northeastern Lumber Manufacturers Association revived the title for a new series of publications documenting the production and use of Eastern White Pine lumber in construction. White Pine Series of Architectural Monographs The White Pine Series of Architectural Monographs, subtitled "A Bi-Monthly Publication Suggesting the Architectural Use of White Pine and Its Availability Today as a Structural Wood", was a landmark publication of drawings, photographs and descriptions of early American architecture. The series