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All answers having "Sediment" as clue:

4 Character Answers:

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DREG

LEES

SILT



5 Character Answers:

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DREGS

FASTS

GRAPH



6 Character Answers:

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ONEDGE



7 Character Answers:

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ALLUVIA

DEPOSIT



8 Character Answers:

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RETRIEVE



11 Character Answers:

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DISSEMINATE



13 Character Answers:

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TRANSPORTCAFE