Portland, TX Sulfur Mines
Sulfur Mines in Portland, Texas
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| (Facility) Champlin's Corpus Christi Refinery | Champlin Petroleum Co. | Sulfur | ||
| (Facility) Valero Corpus Christi Refinery | Valero Energy Inc. | Sulfur | ||
| Coastal Sulfur Plant | Coastal Refining And Marketing Inc. | Private | Sulfur |