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Title: In 1779, what material was used in the Severn River Bridge (Fig. 30-22), which replaced the heavy, ... Post by: SkorpionX on Nov 14, 2017 In 1779, what material was used in the Severn River Bridge (Fig. 30-22), which replaced the heavy, hand-cut stone voussoirs of earlier bridges?
A. iron struts B. Classical keystones C. decorative crenellations D. wooden arches Title: Re: In 1779, what material was used in the Severn River Bridge (Fig. 30-22), which replaced the ... Post by: akocher on Nov 14, 2017 Content hidden
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