File:Sign made by Songliao Oil Propecting Section in the 1950s 2017.jpg
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![File:Sign made by Songliao Oil Propecting Section in the 1950s 2017.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Sign_made_by_Songliao_Oil_Propecting_Section_in_the_1950s_2017.jpg/624px-Sign_made_by_Songliao_Oil_Propecting_Section_in_the_1950s_2017.jpg?20170725021447)
Size of this preview: 624 × 599 pixels. Other resolutions: 250 × 240 pixels | 500 × 480 pixels | 800 × 768 pixels | 1,067 × 1,024 pixels | 2,133 × 2,048 pixels | 3,209 × 3,081 pixels.
Original file (3,209 × 3,081 pixels, file size: 1.43 MB, MIME type: image/jpeg)