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Is irregardless a word?
) a scale for specifying the sizes (diameters) of sedimentary particles, ranging from clay particles (less than
mm) to boulders (over 256 mm)
after C. K.
(1891–1969), US geologist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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