# Relationship history for MSHA mine 4604551

Current hierarchy: **Siderius Inc → Powellton Company → Jane Ann #31**

- 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

- **controller_controls_mine:** Siderius Inc → Jane Ann #31; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Powellton Company → Jane Ann #31; 1975-07-01 to 1982-01-20; source msha-controller-operator-history
- **controller_controls_operator:** Siderius Inc → Powellton Company; 1975-07-01 to 1982-01-20; source msha-controller-operator-history
- **operator_operates_mine:** Ball Coal Company → Jane Ann #31; 1982-01-21 to 1982-12-20; source msha-controller-operator-history
- **controller_controls_mine:** Ball Paul → Jane Ann #31; 1982-01-21 to 1982-12-20; source msha-controller-operator-history
- **controller_controls_operator:** Ball Paul → Ball Coal Company; 1982-01-21 to 1982-12-20; source msha-controller-operator-history
- **operator_operates_mine:** Miracle Coal Company Inc → Jane Ann #31; 1982-12-21 to 1983-03-08; source msha-controller-operator-history
- **controller_controls_mine:** Ellison Vern → Jane Ann #31; 1982-12-21 to 1983-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Ellison Vern → Miracle Coal Company Inc; 1982-12-21 to 1983-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Rite-Way Coal Inc → Jane Ann #31; 1983-03-09 to 1983-05-31; source msha-controller-operator-history
- **controller_controls_mine:** William  Calloway → Jane Ann #31; 1983-03-09 to 1985-01-05; source msha-controller-operator-history
- **controller_controls_operator:** William  Calloway → Rite-Way Coal Inc; 1983-03-09 to 1983-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Chickasaw Inc → Jane Ann #31; 1983-06-01 to 1983-12-14; source msha-controller-operator-history
- **controller_controls_mine:** Cline Howard → Jane Ann #31; 1983-06-01 to 1983-12-14; source msha-controller-operator-history
- **controller_controls_operator:** Cline Howard → Chickasaw Inc; 1983-06-01 to 1983-12-14; source msha-controller-operator-history
- **operator_operates_mine:** Chickasaw Inc → Jane Ann #31; 1983-12-15 to 1984-05-20; source msha-controller-operator-history
- **controller_controls_mine:** Halsey Charles → Jane Ann #31; 1983-12-15 to 1984-05-20; source msha-controller-operator-history
- **controller_controls_operator:** Halsey Charles → Chickasaw Inc; 1983-12-15 to 1984-05-20; source msha-controller-operator-history
- **operator_operates_mine:** Powellton Company → Jane Ann #31; 1984-05-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Siderius Inc → Powellton Company; 1984-05-21 to current/open; source msha-controller-operator-history