🖼️00From the Archives: April 29, 1966www.enr.com·Scott Lewis·24 days ago#shbaNnu6#archives#enr150thanniversary#history#colorado#structural#clamshell+5 more🧰Tag tools✨Add tagThe unusual home seen on this 1966 cover showcases then-contemporary innovations in structural concrete, as seen in this clamshell design.15s0Read later0Read More
📰00From the Archives: July 31, 1952www.enr.com·Scott Lewis·about 1 month ago#zjnYHsxD#newyorkcity#history#enr150thanniversary#archives#tons#pier+5 more🧰Tag tools✨Add tagThis 1952 cover depicts two enormous concrete caissons sitting in a natural drydock in Stony Point, N.Y.15s0Read later0Read More
