File:Norris Dam engineering blueprint.png
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Norris_Dam_engineering_blueprint.png （476 × 569 像素，檔案大小：22 KB，MIME 類型：image/png）
摘要
| 描述 |
English: Engineering blueprint of the Norris Dam hydroelectric dam constructed by the Tennessee Valley Authority from 1933 to 1936 in Anderson County, Tennessee |
| 日期 | |
| 來源 | The Norris Project: A Comprehensive Report on the Planning, Design, Construction, and Initial Operations of the Tennessee Valley Authority's First Water Control Project |
| 作者 | Tennessee Valley Authority |
授權條款
|
This image is a work of a United States Tennessee Valley Authority employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States. | 
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| 日期/時間 | 縮圖 | 尺寸 | 使用者 | 備註 | |
|---|---|---|---|---|---|
| 目前 | 2022年1月23日 (日) 19:12 | | 476 × 569（22 KB） | Vanished user 7782930114 | Uploaded a work by Tennessee Valley Authority from The Norris Project: A Comprehensive Report on the Planning, Design, Construction, and Initial Operations of the Tennessee Valley Authority's First Water Control Project with UploadWizard |
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