From English Wikipedia @ Freddythechick

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Summary
Dallas, Texas Tornado of 1957. This is a cropped shot of the tornado approaching the city, with two prominent vortices visible.
NOAA Public Domain Photo (cropped)
Image ID: wea02224, NOAA's National Weather Service (NWS) Collection
Location: Texas, Dallas
Photo Date: 1957 April 2
Photographer: Mr. Robert E. Day
Credit: SELS Weather Bureau
Licensing
Public domainPublic domainfalsefalse
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| Date/Time | Thumbnail | Dimensions | User | Comment |
current | 13:44, 8 February 2010 |  | 700 × 465 (51 KB) | wikimediacommons>Supportstorm | Cleaned up Image |
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