missouri – mammoth // building nothing out of something

Tag Archives: missouri

sand boil

[The breach in Missouri River Levee 575, on June 14.] The breach at Hamburg — mentioned a few posts back — began with a “sand boil”, a geotechnical phenomenon shared by earthquakes and floods, in which subterranean water pressure becomes so strong that ground water erupts, typically bubbling like a gentle geyser, and bringing soil […]