Historical information
Port of Portland Authority Archives
Physical description
Black and white photo of Blacknose quarry face looking south, showing face stripped after trial blast.
2 'punched holes in left frame
Inscriptions & markings
Front: 'BLACKNOSE QUARRY FACE LOOKING SOUTH 30.1.52 FACE STRIPPED AFTER TRIAL BLAST' -Printed on bottom frame
Back: Purple PHT stamp 5/4 crossed out - ink top left