File:Photocopy of Reinforced Concrete Details drawing (from the BPA Engineering Vault, Drawing C13-J2-342-D1, Sheet 6, 13 March 1939) - Bonneville Power Administration South Bank HAER ORE,26-BONV,1-9.tif
![File:Photocopy of Reinforced Concrete Details drawing (from the BPA Engineering Vault, Drawing C13-J2-342-D1, Sheet 6, 13 March 1939) - Bonneville Power Administration South Bank HAER ORE,26-BONV,1-9.tif](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Photocopy_of_Reinforced_Concrete_Details_drawing_%28from_the_BPA_Engineering_Vault%2C_Drawing_C13-J2-342-D1%2C_Sheet_6%2C_13_March_1939%29_-_Bonneville_Power_Administration_South_Bank_HAER_ORE%2C26-BONV%2C1-9.tif/lossy-page1-742px-thumbnail.tif.jpg?20140731012345)
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