Historical information

Port of Portland Authority Archives

Physical description

Black and white photo of Blacknose quarry face, other 2nd blast. Shows pile of rocks at base of face, dust cloud over face.

Inscriptions & markings

Front: Front- 'Blacknose quarry face after 2nd blast'- Printed on bottom frame
'3/12/52'

Back- Purple PHT Stamp
'5/9'- top left, black ink