mississippi – mammoth // building nothing out of something

Tag Archives: mississippi

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 […]

the mississippi river flood of 1927

[Map prepared by the US Coast and Geodetic Survey (the fore-runner of today’s National Oceanic and Atmospheric Administration) in 1927, after the Great Mississippi Flood of that year.  The map shows “flooded areas and the field of operations”.  The great devastation produced by the 1927 flood — it flooded an area approximately equal to the […]