# Relationship history for MSHA mine 1511292

Current hierarchy: **James A  Dean → Harlan Kyva Coal Inc → No 1 Mine**

- 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:** Mc George Robert Jr-Rodney Wilson Et Al → No 1 Mine; 1976-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bob & Rod Coal Company Inc → No 1 Mine; 1978-05-01 to 1982-09-20; source msha-controller-operator-history
- **controller_controls_operator:** Mc George Robert Jr-Rodney Wilson Et Al → Bob & Rod Coal Company Inc; 1978-05-01 to 1982-09-20; source msha-controller-operator-history
- **operator_operates_mine:** C N C Coal Sales Inc → No 1 Mine; 1982-09-21 to 1983-08-29; source msha-controller-operator-history
- **controller_controls_mine:** Harvey  Napier → No 1 Mine; 1982-09-21 to 1985-03-27; source msha-controller-operator-history
- **controller_controls_operator:** Harvey  Napier → C N C Coal Sales Inc; 1982-09-21 to 1983-08-29; source msha-controller-operator-history
- **operator_operates_mine:** Lindsay Coal Company Inc → No 1 Mine; 1983-08-30 to 1983-11-01; source msha-controller-operator-history
- **controller_controls_mine:** Mc Lain Norman → No 1 Mine; 1983-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Lain Norman → Lindsay Coal Company Inc; 1983-08-30 to 1983-11-01; source msha-controller-operator-history
- **operator_operates_mine:** C N C Coal Sales Inc → No 1 Mine; 1983-11-02 to 1985-03-27; source msha-controller-operator-history
- **controller_controls_operator:** Harvey  Napier → C N C Coal Sales Inc; 1983-11-02 to 1985-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Harlan Kyva Coal Inc → No 1 Mine; 1985-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James A  Dean et al → No 1 Mine; 1985-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Dean et al → Harlan Kyva Coal Inc; 1985-03-28 to current/open; source msha-controller-operator-history