# Relationship history for MSHA mine 1516583

Current hierarchy: **Kevin  Ratliff → LANDMARK MINING COMPANY, INC. → NO. 405**

- 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:** Thomas B  Ratliff → NO. 405; 1978-09-01 to 2019-06-19; source msha-controller-operator-history
- **controller_controls_mine:** Thompson Benny → NO. 405; 1981-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** T & T Kentucky Coal Company Inc → NO. 405; 1989-03-01 to 2001-10-11; source msha-controller-operator-history
- **controller_controls_operator:** Thompson Benny → T & T Kentucky Coal Company Inc; 1989-03-01 to 2001-10-11; source msha-controller-operator-history
- **controller_controls_mine:** Jim D  Akers et al → NO. 405; 1993-12-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joey  Taylor → NO. 405; 1999-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Grace Mining, Inc. → NO. 405; 2001-10-12 to 2002-12-02; source msha-controller-operator-history
- **controller_controls_operator:** Joey  Taylor → Grace Mining, Inc.; 2001-10-12 to 2002-12-02; source msha-controller-operator-history
- **operator_operates_mine:** Black/Hawk Mining, Inc. → NO. 405; 2002-12-03 to 2004-03-02; source msha-controller-operator-history
- **controller_controls_mine:** Joey  Taylor → NO. 405; 2002-12-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joey  Taylor → Black/Hawk Mining, Inc.; 2002-12-03 to 2004-03-02; source msha-controller-operator-history
- **operator_operates_mine:** D & D Contracting Inc → NO. 405; 2004-03-03 to 2006-01-24; source msha-controller-operator-history
- **controller_controls_mine:** Patrick  Banks → NO. 405; 2004-03-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick  Banks → D & D Contracting Inc; 2004-03-03 to 2006-01-24; source msha-controller-operator-history
- **operator_operates_mine:** South Akers Mining Company LLC → NO. 405; 2006-01-25 to 2023-11-07; source msha-controller-operator-history
- **controller_controls_operator:** Jim D  Akers et al → South Akers Mining Company LLC; 2006-01-25 to 2023-11-07; source msha-controller-operator-history
- **controller_controls_operator:** Harold E  Akers et al → South Akers Mining Company LLC; 2006-01-25 to 2023-11-07; source msha-controller-operator-history
- **controller_controls_mine:** Kevin  Ratliff → NO. 405; 2019-06-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** LANDMARK MINING COMPANY, INC. → NO. 405; 2023-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  Ratliff → LANDMARK MINING COMPANY, INC.; 2023-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas B  Ratliff → LANDMARK MINING COMPANY, INC.; 2023-11-08 to 2019-06-19; source msha-controller-operator-history