Public domain
Swinging a form for the concrete high speed basin into place. The workmen are standing in the place where the unique concrete hinges of the arched roof will be
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineSwinging a form for the concrete high speed basin into place. The workmen are standing in the place where the unique concrete hinges of the arched roof will be. 1938-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.