Historical information

Port of Portland Authority Archives

Physical description

Sheet of six black and white contact prints, three taken from elevated position of early stages of Silo construction. Three showing construction site. Rectangular concrete tower and ship in the background.

Inscriptions & markings

Front: 171. 13-11-64 172. 13-11-64 173. 13-11-64 178. 13-11-64 179. 13-11-64 180. 13-11-64 (In white underneath each print).
Back: 178 and 180 in pencil

Subjects