File:Norris Dam engineering blueprint.png

Norris_Dam_engineering_blueprint.png(476 × 569 像素,檔案大小:22 KB,MIME 類型:image/png


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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

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Public domain 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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目前2022年1月23日 (日) 19:12於 2022年1月23日 (日) 19:12 版本的縮圖476 × 569(22 KB)Vanished user 7782930114Uploaded 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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