Grand View: Devils Postpile National Monument

In the Eastern Sierra, explore hexagonal pillars of basalt lava revealed during the last Ice Age.

Watch it:

• Wednesday, Mar 20, 2013 at 8:00 AM on IPTV Learns
• Wednesday, Mar 20, 2013 at 2:00 PM on IPTV Learns
• Wednesday, Apr 24, 2013 at 8:00 AM on IPTV Learns
• Wednesday, Apr 24, 2013 at 2:00 PM on IPTV Learns

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