Subsidence

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Subsidence

• GEOL 4093
• Risk Asssessment

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The Brownwood subdivision of Baytown, Texas, is
sinking because of groundwater extraction
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Coal mining can create subsidence problems by
removing support
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The local geologic setting controls land uplift
and/or subsidence
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1927 Mississippi River flood
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Perhaps the most famuos photograph of land
subsidence, here in California. Markings on pole
show ground level at various times. Subsidence
here is due to groundwater withdrawal mostly for
irrigation.