NASA, USGS Begin Work on Landsat 9 to Continue Land Imaging Legacy via NASA http://t.co/j9eBxr7v4U

NASA, USGS Begin Work on Landsat 9 to Continue Land Imaging Legacy via NASA http://t.co/j9eBxr7v4U

— John Prieto (@prietoj) April 16, 2015

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April 16, 2015 at 10:12AM

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