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(Q30790)
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subclass of
Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying
1 reference
data source
Standard Industrial Classification
NAICS Code
212321
point in time
1 January 2022
1 January 2017
1 January 2012
1 January 2007
1 January 2002
1 January 1997
1 reference
data source
North American Industry Classification System