Historical information
Port of Portland Authority Archives
Physical description
Black and white photo of workmen trowelling off a section of concrete. Two of them are squatting on a board, suspended above the conrete.
Inscriptions & markings
Back: Border ruled in pencil
Top border '(22) in pencil
Bottom border '28 ems x 20 1/2 ems' in pencil
Centre - '57% ' in pencil
'27 3/4 x 20 1/4'' in blue pencil
