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pit_run
has definitions from the field of geology
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[ noun ] (geology) gravel as found in natural deposits
Synonyms Used in print (The Family Fallout Shelter. Office of Civil and Defence...)The space between them is filled with pit-run gravel or earth . The roof shown here ( fig. 9 ) is a 6 - inch slab of reinforced_concrete , covered with at_least 20 inches of pit-run gravel . It would have_to be covered with at_least 28 inches of pit-run gravel . Related terms |
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