Data Availability, Information Quality, Accountability...

Submitted by (@filbertk)

Declassify old satellite imagery

In 1995, historical satellite imagery collected by the Corona satellite program between 1959 and 1972 was declassified (, and made available for purchase, through the USGS ( or can be accessed by visiting the National Archives. The imagery has been invaluable for use in environmental research, measuring changes over the past decades, among other purposes. ( ...more »


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