dirt bed

noun

Definition of dirt bed

: a buried soil often containing leaves and stems in a state of partial decay and sometimes occurring between sheets of glacial drift (as in some parts of the Mississippi basin)

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“Dirt bed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dirt%20bed. Accessed 7 Mar. 2021.

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