 National Geographic: Drain the Ocean Artist: Artist Not Provided Manufacturer: Nat'l Geographic Vid Rating: NR (Not Rated) ListPrice: $19.97 Offer: $14.99
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 National Geographic - Volcano! Manufacturer: National Geographic Video Rating: NR (Not Rated) ListPrice: $19.97 Offer: $10.99
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 Inside Planet Earth Actor: Patrick Stewart Director: Martin Williams Manufacturer: Discovery Channel Rating: NR (Not Rated) ListPrice: $14.98 Offer: $12.99
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 NOVA: Mystery of the Megaflood Actor: Stacy Keach Director: not listed Manufacturer: PBS Rating: NR (Not Rated) ListPrice: $19.95 Offer: $10.99
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 How the Earth Was Made: Complete Season 2 Actor: Corey Johnson Director: Peter Chinn Manufacturer: A&E HOME VIDEO Rating: PG (Parental Guidance Suggested) ListPrice: $39.95 Offer: $31.49
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 How the Earth Was Made (History Channel) Actor: How the Earth Was Made Director: Peter Chin Manufacturer: A&E HOME VIDEO Rating: PG (Parental Guidance Suggested) ListPrice: $24.95 Offer: $18.49
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 National Geographic - Tsunami: Killer Wave Manufacturer: National Geographic Video Rating: NR (Not Rated) ListPrice: $19.97 Offer: $14.99
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 Nova: Japan`s Killer Quake Actor: Narrated by Corey Johnson Director: Rae Gilder Manufacturer: PBS (DIRECT) Rating: NR (Not Rated) ListPrice: $24.99 Offer: $18.55
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 National Geographic - Forces of Nature Manufacturer: National Geographic Video Rating: NR (Not Rated) ListPrice: $19.97 Offer: $12.81
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 Volcanoes of the Deep Sea (IMAX) (2003) Actor: Ed Harris Director: Stephen Low Manufacturer: Image Entertainment Rating: NR (Not Rated) ListPrice: $9.98 Offer: $8.99
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 NOVA: Mystery of the Megavolcano Actor: Stacy Keach Director: not listed Manufacturer: PBS Rating: NR (Not Rated) ListPrice: $19.95 Offer: $10.99
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 NOVA - Lightning! Manufacturer: PBS Rating: NR (Not Rated) ListPrice: $19.95 Offer: $17.99
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 NOVA - Killer Quake! Manufacturer: PBS Rating: NR (Not Rated) ListPrice: $19.95 Offer: $17.99
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 NOVA - Hurricane Katrina: The Storm That Drowned a City Actor: Stacy Keach Director: Nova Manufacturer: PBS Rating: NR (Not Rated) ListPrice: $19.95 Offer: $11.49
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 NOVA: Mt St. Helens: Back from the Dead Actor: Narrated by Lance Lewman Director: Written Manufacturer: PBS Rating: NR (Not Rated) ListPrice: $24.99 Offer: $22.49
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 Supervolcano Actor: Michael Riley Director: Tony Mitchell Manufacturer: Discovery Communications Inc.
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 Nature Tech: Earthquakes (History Channel) Artist: Artist Not Provided Manufacturer: A&E Home Video Rating: NR (Not Rated) ListPrice: $24.95 Offer: $17.99
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 NOVA: Volcano Under the City Manufacturer: PBS Rating: NR (Not Rated) ListPrice: $19.95 Offer: $17.99
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 Fire Mountain: The Eruption and Rebirth of Mount St. Helens Manufacturer: Total Content \ Panorama Intl. Productions Rating: NR (Not Rated) ListPrice: $14.98
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 Ring of Fire - IMAX Actor: Robert Foxworth Director: George Casey Manufacturer: Vista Point Ent Rating: NR (Not Rated) ListPrice: $14.95
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 Nova: Earthquake the Science Behind the Shake Actor: Nova Director: n/a Manufacturer: PBS Rating: NR (Not Rated) ListPrice: $39.95 Offer: $35.99
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 National Geographic`s Restless Earth Collection (Asteroids Deadly Impact/Volcano/Nature`s Fury) Actor: Robbie Robertson Director: Eitan Weinreich Manufacturer: National Geographic Video Rating: NR (Not Rated) ListPrice: $44.98
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 Supervolcano Author: Supe John Savino Manufacturer: Career Press ListPrice: $17.99 Offer: $15.07
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