# Relationship history for MSHA mine 1507664

Current hierarchy: **Five-S Coal Company Inc → Five-S Coal Company Inc → 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:** S & S Coal Company → No 1; 1974-11-01 to 1976-07-12; source msha-controller-operator-history
- **controller_controls_mine:** Hager Raymond L → No 1; 1974-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hager Raymond L → S & S Coal Company; 1974-11-01 to 1976-07-12; source msha-controller-operator-history
- **operator_operates_mine:** S & S Coal Company Inc → No 1; 1976-07-13 to 1977-01-09; source msha-controller-operator-history
- **controller_controls_mine:** Maynard John → No 1; 1976-07-13 to 1977-01-09; source msha-controller-operator-history
- **controller_controls_operator:** Maynard John → S & S Coal Company Inc; 1976-07-13 to 1977-01-09; source msha-controller-operator-history
- **operator_operates_mine:** S & S Coal Company Inc → No 1; 1977-01-10 to 1977-05-25; source msha-controller-operator-history
- **controller_controls_mine:** Kennedy Ronald L → No 1; 1977-01-10 to 1977-05-25; source msha-controller-operator-history
- **controller_controls_operator:** Kennedy Ronald L → S & S Coal Company Inc; 1977-01-10 to 1977-05-25; source msha-controller-operator-history
- **operator_operates_mine:** S & S Coal Company Inc → No 1; 1977-05-26 to 1977-12-12; source msha-controller-operator-history
- **controller_controls_mine:** Burke Francis D → No 1; 1977-05-26 to 1977-12-12; source msha-controller-operator-history
- **controller_controls_operator:** Burke Francis D → S & S Coal Company Inc; 1977-05-26 to 1977-12-12; source msha-controller-operator-history
- **operator_operates_mine:** Vanhoose Coal Company Inc → No 1; 1977-12-13 to 1979-02-19; source msha-controller-operator-history
- **controller_controls_mine:** Van Hoose Charles → No 1; 1977-12-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Van Hoose Charles → Vanhoose Coal Company Inc; 1977-12-13 to 1979-02-19; source msha-controller-operator-history
- **operator_operates_mine:** Jacinda Mining Company Inc → No 1; 1979-02-20 to 1979-12-10; source msha-controller-operator-history
- **controller_controls_mine:** Ward Ralph → No 1; 1979-02-20 to 1979-12-10; source msha-controller-operator-history
- **controller_controls_operator:** Ward Ralph → Jacinda Mining Company Inc; 1979-02-20 to 1979-12-10; source msha-controller-operator-history
- **operator_operates_mine:** Five-S Coal Company Inc → No 1; 1979-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Five-S Coal Company Inc → No 1; 1979-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Five-S Coal Company Inc → Five-S Coal Company Inc; 1979-12-11 to current/open; source msha-controller-operator-history