Grand CanyonDVD - 2009
A rare scientific odyssey down the Grand Canyon through some of the most treacherous rapids on the planet. From the river cutting through two-billion-year-old stone to the creatures roaming its back-country, the Grand Canyon still has secrets to tell.
Publisher: [United States: Bellevue Entertainment] ; Chicago : Distributed by Questar, 
Branch Call Number: DVD 917.913 GRA
Characteristics: 1 videodisc (ca. 152 min.) : sd., col. ; 4 3/4 in