Revision History for FS 2016-3045

Steven Young

Landsat—The Watchman that Never Sleeps

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Posted online July 12, 2016

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Revised, reposted, and reprinted September 18, 2019, version 1.1

The text and print versions were modified to increase clarity and to update information from 2016 to 2019.

Page 1: In the second paragraph, "44 years" was changed to "47 years."

Page 2: Modified several places in the text. Updated the contact information.

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