END WALL CASCADE TEST SECTION - NARA - 17443550.jpg
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END WALL CASCADE TEST SECTION NARA 17443550, US National Archives series: Photographs Relating to Agency Activities, Facilities and Personnel, Images from the National Archives and Records Administration, US National Archives location: other, END WALL CASCADE TEST SECTION
commons
ja
END WALL CASCADE TEST SECTION NARA 17443550、米国国立公文書館シリーズ:活動・施設・職員関係の写真、米国国立公文書館管理局所蔵画像:その他の、END WALL CASCADE TEST SECTION
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wall unit