America's greatest caverns
Caverns
written by Clayton Sandell ; produced by Finley-Holiday Films.
- Whittier, CA : Finley-Holiday Films, 2001.
- 1 videodisc (60 min.) : sound, color ; 4 3/4 in.
- American adventure series .
For specific features see interactive menu. "DV-9"--Container
Explores America's network of caves and caverns. Rangers explain how the various caves were formed and the importance of water in their creation and their eco-systems. Includes a bonus video "Cave conservation and ethics."
739847600097
DV-9 Finley-Holiday Films
Caves--United States.
Cave ecology.
United States
QH541.5.C3 / A44 2001
551.4 Ame 35
For specific features see interactive menu. "DV-9"--Container
Explores America's network of caves and caverns. Rangers explain how the various caves were formed and the importance of water in their creation and their eco-systems. Includes a bonus video "Cave conservation and ethics."
739847600097
DV-9 Finley-Holiday Films
Caves--United States.
Cave ecology.
United States
QH541.5.C3 / A44 2001
551.4 Ame 35