# Relationship history for MSHA mine 1401228

Current hierarchy: **Pommier Larry W → Alternate Fuels Inc → Croweburg Mine No 1**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Alternate Fuels Inc → Croweburg Mine No 1; 1977-01-01 to 1978-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Le Grand Jack H → Croweburg Mine No 1; 1977-01-01 to 1978-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Le Grand Jack H → Alternate Fuels Inc; 1977-01-01 to 1978-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Alternate Fuels Inc → Croweburg Mine No 1; 1978-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Pommier Larry W → Croweburg Mine No 1; 1978-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pommier Larry W → Alternate Fuels Inc; 1978-06-01 to current/open; source msha-controller-operator-history