# Relationship history for MSHA mine 1518296

Current hierarchy: **Rowland  Goble; Charles A  Ratliff → Murriell-Don Coal Co Incorporated → #3**

- 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:** Murriell James Ray → #3; 1994-05-09 to 2003-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Murriell-Don Coal Co Incorporated → #3; 2000-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Murriell James Ray → Murriell-Don Coal Co Incorporated; 2000-10-01 to 2003-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Charles A  Ratliff et al → #3; 2003-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles A  Ratliff et al → Murriell-Don Coal Co Incorporated; 2003-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rowland  Goble  et al → Murriell-Don Coal Co Incorporated; 2003-01-17 to current/open; source msha-controller-operator-history