Historical information
Port of Portland Authority Archives
Physical description
Sheet of six black and white contact prints of silo construction site. Five of the six have two metal towers visible. The sixth one shows large shed on wharf.
Inscriptions & markings
Front: 68. 7-8-64 67. 7-8-64 69. 18-8-64 59. 7-8-64 60. 7-8-64 61. 78-64 (In white, beneath each print).
