WA
WE
WH
WI
WO
WR
WU
Index entry
NAICS
Code
U.S. NAICS Title
Wulfenite mining and/or beneficiating
212299
All Other Metal Ore Mining
Wurtzilite mining and/or beneficiating
212399
All Other Nonmetallic Mineral Mining
WA
WE
WH
WI
WO
WR
WU
6/ 5/98