Folder: S.F. Districts-Civic Center-Brooks Hall-Construction (See also oversize).
Newscopy: "The roof of Mole Hall will shortly be poured, as wet cement, into the forms by these ordinary paper packing boxes, reinforced with tape. Will it hold? Yes, because most of the pressure of the semi-fluid cement is downward, and little is exerted against the cardboard. This method has been used elsewhere, but is new to San Francisco.".