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Basement

By Earthquake Hazards Program 2021 (approx.)
An illustration showing two stick figures doing basement excavations, one with a frown that excavated into the labelled hard, stable bedrock on the left and the other with a smile that excavated above the labelled bedrock surface. There is a bridge overlying water on the right hand side.
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Detailed Description

An illustration showing two stick figures doing basement excavations, one with a frown that excavated into the labelled hard, stable bedrock on the left and the other with a smile that excavated above the labelled bedrock surface.  

Sources/Usage

Public Domain.

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