Transcribed
UFO Sightings
Number of Sightings 50 UFO Sightings Nathan Yau, http://flowingdata.com | Source: National UFO Reporting Center
UFO Sightings
shared by Anonymous (not verified) on Oct 19
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The dataset is 60,000 sightings, but the above shows about 45,000 locations that could be geocoded immediately. The whiter the region, the more sightings there were in the area from 1906 to 2007.
Source
http://flowi...heir-ufos/Category
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