Details
PUBLISHED
[United States] : Janson Media : Made available through hoopla, 2011
DESCRIPTION
1 online resource (1 video file (ca. 55 min.)) : sd., col
ISBN/ISSN
MWT11512303, 11512303
LANGUAGE
English
NOTES
Narrator, Jay Gregory
Now, in an inspiring video event, we probe the secrets of Niagara Falls. From helicopter and speedboat, at high-tech labs and at rope's end, we join Earth scientists as they struggle to piece together the epic life story of North America's most celebrated natural wonder
Not rated
Mode of access: World Wide Web