Great Basin Geosphereis a unique 200,000 square mile piece of real estate. High desert and mountains cover 20% of the lower 48 United States... Including most of Nevada, southern Oregon, Idaho, Western Utah and a portion of eastern California. This vast area is much more than “just a desert.”.

Originally released by Bennett-Watt, 2017. Streaming video file encoded with permission for digital streaming by Infobase on April 04, 2017.

Great Basin National Heritage Area (5:41); --Entering Lehman Caves (3:29); -- Cave's Namesake: Absalom Lehman (6:55); -- Lint Camp (6:30); -- Group Formations, Minerals, and Organisms (7:01); -- Cave Damage from Humans (9:57); -- Nevada Northern Railway Museum (5:58); -- Be the Engineer Program (4:17); -- Nevada Northern Railway National Historic Landmark (4:34); -- Credits: Great Basin: Caves, Trains & Wide Open Spaces (2:05); .