- Alum, natural, mining and/or beneficiating
- Borate, natural, mining and/or beneficiating
- Borax, crude, ground or pulverized, mining and/or beneficiating
- Boron compounds prepared at beneficiating plants
- Boron mineral mining and/or beneficiating
- Colemanite mining and/or beneficiating
- Glauber’s salt mining and/or beneficiating
- Kernite mining and/or beneficiating
- Muriate of potash, mining
- Potash mining and/or beneficiating
- Potassium bromide, natural, mining and/or beneficiating
- Potassium chloride mining and/or beneficiating
- Potassium compounds prepared at beneficiating plants
- Potassium compounds, natural, mining and/or beneficiating
- Potassium salts, natural, mining and/or beneficiating
- Probertite mining and/or quarrying
- Salines (except common salt) mining and/or beneficiating
- Soda ash mining and/or beneficiating
- Soda ash, natural, mining and/or beneficiating
- Sodium borates, natural, mining and/or beneficiating
- Sodium carbonates, natural, mining and/or beneficiating
- Sodium compounds prepared at beneficiating plants
- Sodium compounds, natural (except common salt), mining and/or beneficiating
- Sodium sulfate, natural, mining and/or beneficiating
- Sulfate, sodium, mining and/or beneficiating
- Trona mining and/or beneficiating
- Ulexite mining and/or beneficiating
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