Historical information
Port of Portland Authority archives
Physical description
Black and white photograph of a man working on a concrete platform to the left of the top of a concrete circular structure. Grain silo under construction
Inscriptions & markings
Front: (no inscriptions)
Back: P.H.T./ Print No. ... Neg. No 222/ Date taken 29-1-65/ SUBJECT./ ... (Ink stamp with blue pen and pencil additions, centre)