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Hagerman Fossil Beds National Monument
Mollusks
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Did You Know?
The catastrophic Bonneville Flood thundered through the Hagerman Valley 15,000 years ago leaving behind enormous fields of rounded lava boulders – some as big as cars. They are called ‘melon gravel’ and can still be seen throughout the valley today.
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Last Updated: August 13, 2006 at 15:55 EST |