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Crater Lake Mapping

OPB | Feb. 1, 2001 7:30 p.m.

Using advanced mapping technology, scientists are able to study the varied contours of the bottom of Crater Lake. Until now, the depths of the lake, which was formed by a massive volcanic explosion, were a mystery. Now computer technology can process acoustic signals bounced off the bottom.

First Broadcast: 2001
Producer: Jim Newman

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