212325 Clay and Ceramic and Refractory Minerals Mining

This U.S. industry comprises establishments primarily engaged in one or more of the following:

  1. mining clay (except kaolin and ball), ceramic, or refractory minerals;
  2. developing the mine site for clay, ceramic, or refractory minerals; and
  3. beneficiating (i.e., preparing) clay (except kaolin and ball), ceramic, or refractory minerals.