Robert Ballard: Discovering Underwater Treasures by National Geographic Learning, Rebecca L. Johnson

Robert Ballard: Discovering Underwater Treasures

National Geographic Learning, Rebecca L. Johnson

32 pages • first pub 2003 (editions)

emotional informative tense medium-paced
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Underwater explorer Robert Ballard discovered the shipwrecked Titanic in 1985, but he didn't stop there. Ballard is still searching the seas. He uses high-tech tools to locate and investigate the sunken remains of ancient sailing ships in the Blac...

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