# Relationship history for MSHA mine 1515132

Current hierarchy: **Mullins Jimmy → L G & C 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:** Cindas Creek Energy Inc → No 1; 1985-03-01 to 1985-08-06; source msha-controller-operator-history
- **controller_controls_mine:** Philip T  Lambert → No 1; 1985-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Philip T  Lambert → Cindas Creek Energy Inc; 1985-03-01 to 1985-08-06; source msha-controller-operator-history
- **operator_operates_mine:** Ratliff Mining Company → No 1; 1985-08-07 to 1986-06-10; source msha-controller-operator-history
- **controller_controls_mine:** Robert C  Ratliff → No 1; 1985-08-07 to 1986-06-10; source msha-controller-operator-history
- **controller_controls_operator:** Robert C  Ratliff → Ratliff Mining Company; 1985-08-07 to 1986-06-10; source msha-controller-operator-history
- **operator_operates_mine:** L G & C Coal Company Inc → No 1; 1986-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mullins Jimmy → No 1; 1986-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Jimmy → L G & C Coal Company Inc; 1986-06-11 to current/open; source msha-controller-operator-history