# Relationship history for MSHA mine 1513634

Current hierarchy: **Trent James → High Energy Coal Company → 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Maple Creek Mining → Mine No 1; 1982-08-01 to 1983-04-21; source msha-controller-operator-history
- **controller_controls_mine:** Faulkner Clay & Don Cuel Et Al → Mine No 1; 1982-08-01 to 1983-04-21; source msha-controller-operator-history
- **controller_controls_operator:** Faulkner Clay & Don Cuel Et Al → Maple Creek Mining; 1982-08-01 to 1983-04-21; source msha-controller-operator-history
- **operator_operates_mine:** High Energy Coal Company → Mine No 1; 1983-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Trent James Et Al → Mine No 1; 1983-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Trent James Et Al → High Energy Coal Company; 1983-04-22 to current/open; source msha-controller-operator-history