USGS CMG InfoBank: Introduction to the Sea Floor

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Comment: 00:40 - 01:14 (00:34)
Source: Annenberg/CPB Resources - Earth Revealed - 4. The Sea Floor
Keywords: introduction

Our transcription: One of the most extraordinary moments in human history occurred when astronauts first set foot on the moon, and, yet, on the surface of our own planet there lie tracts of territory where no one has every walked.
Only a very small group of people has even glimpsed this place firsthand.

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Page Last Modified: Tue Feb 5 05:13:52 PST 2013 (chd)