| 12. |  | Columbia River Log Raft ready for Ocean Voyage, Another raft under construction in background | Logs; Lumber industry; Boats; Tugboats; Rafts; Rivers; Trees; Water; Rowboats; Men; Buildings; Waterwheels; Pilings (Civil engineering); | A colored photograph with the caption "Columbia River Log Raft ready for Ocean Voyage, Another raft under construction in background". In the foreground on the left side of the photo are log pilings and... |
