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Continue to ChatLetter: The use of twitter as an early warning system for terrestrial search and rescue https://journalofsar.com/letter-the-use-of-twitter-as-an-early-warning-system-for-terrestrial-search-and-rescue/
Letter: The use of twitter as an early warning system for terrestrial search and rescue https://journalofsar.com/letter-the-use-of-twitter-as-an-early-warning-system-for-terrestrial-search-and-rescue/