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#geology
#limestone
#fossil
#lehman caverns
#great basin
#national park
#nature
#underground
#parachute shield
#shield
#speleothem
#speleology
#science
#the earth story
#geology
#limestone
#fossil
#lehman caverns
#great basin
#national park
#nature
#underground
#parachute shield
#shield
#speleothem
#speleology
#science
#the earth story
#geology
#limestone
#fossil
#lehman caverns
#great basin
#national park
#nature
#underground
#parachute shield
#shield
#speleothem
#speleology
#science
#the earth story
#geology
#limestone
#fossil
#lehman caverns
#great basin
#national park
#nature
#underground
#parachute shield
#shield
#speleothem
#speleology
#science
#the earth story
#geology
#limestone
#fossil
#lehman caverns
#great basin
#national park
#nature
#underground
#parachute shield
#shield
#speleothem
#speleology
#science
#the earth story
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