# Relationship history for MSHA mine 4400280

Current hierarchy: **Fred  McGlothlin → L & J Equipment Company → No. 4**

- 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:** Clinchfield Coal Company → No. 4; 1950-01-01 to 1995-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Pittston Company → No. 4; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Clinchfield Coal Company; 1950-01-01 to 1995-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Barton Carson Grabern & Chad → No. 4; 1987-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Barton Mining Incorported → No. 4; 1995-02-24 to 1998-06-28; source msha-controller-operator-history
- **controller_controls_operator:** Barton Carson Grabern & Chad → Barton Mining Incorported; 1995-02-24 to 1998-06-28; source msha-controller-operator-history
- **controller_controls_mine:** Fred  McGlothlin et al → No. 4; 1996-07-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clinchfield Coal Company → No. 4; 1998-06-29 to 2000-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Clinchfield Coal Company; 1998-06-29 to 2000-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Eugene  Ball → No. 4; 2000-04-01 to 2002-09-02; source msha-controller-operator-history
- **operator_operates_mine:** Cove Coal Co., Inc. → No. 4; 2000-11-09 to 2001-10-28; source msha-controller-operator-history
- **controller_controls_operator:** Eugene  Ball → Cove Coal Co., Inc.; 2000-11-09 to 2001-10-28; source msha-controller-operator-history
- **operator_operates_mine:** L & J Equipment Company → No. 4; 2001-10-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fred  McGlothlin et al → L & J Equipment Company; 2001-10-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey  Cline → No. 4; 2002-09-03 to 2004-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey  Cline → Cove Coal Co., Inc.; 2002-09-03 to 2001-10-28; source msha-controller-operator-history
- **controller_controls_mine:** Marty  Fuller  et al → No. 4; 2004-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marty  Fuller  et al → Cove Coal Co., Inc.; 2004-07-26 to 2001-10-28; source msha-controller-operator-history
- **controller_controls_operator:** Glenn K  Mitchell  et al → Cove Coal Co., Inc.; 2004-07-26 to 2001-10-28; source msha-controller-operator-history