# Relationship history for MSHA mine 3302125

Current hierarchy: **Robert E  Murray → West Virginia Resources Inc → Cheshire Dock**

- 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:** Jaymar Coal Company → Cheshire Dock; 1972-01-01 to 1991-06-20; source msha-controller-operator-history
- **controller_controls_mine:** Jay  Hall Jr → Cheshire Dock; 1972-01-01 to 1991-06-20; source msha-controller-operator-history
- **controller_controls_operator:** Jay  Hall Jr → Jaymar Coal Company; 1972-01-01 to 1991-06-20; source msha-controller-operator-history
- **controller_controls_mine:** Horizon Natural Resources Incorporated → Cheshire Dock; 1983-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Theodore L  Darlington → Cheshire Dock; 1988-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Addington Inc → Cheshire Dock; 1991-06-21 to 1994-01-13; source msha-controller-operator-history
- **controller_controls_operator:** Horizon Natural Resources Incorporated → Addington Inc; 1991-06-21 to 1994-01-13; source msha-controller-operator-history
- **operator_operates_mine:** Addington Inc → Cheshire Dock; 1994-01-14 to 1995-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Pittston Company → Cheshire Dock; 1994-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Addington Inc; 1994-01-14 to 1995-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Waterloo Coal Co., Inc. → Cheshire Dock; 1995-11-01 to 2005-07-05; source msha-controller-operator-history
- **controller_controls_operator:** Theodore L  Darlington → Waterloo Coal Co., Inc.; 1995-11-01 to 2005-07-05; source msha-controller-operator-history
- **controller_controls_mine:** Jay  Hall Jr → Cheshire Dock; 2000-02-01 to 2011-03-07; source msha-controller-operator-history
- **operator_operates_mine:** Jaymar Inc → Cheshire Dock; 2005-07-06 to 2009-03-10; source msha-controller-operator-history
- **controller_controls_operator:** Jay  Hall Jr → Jaymar Inc; 2005-07-06 to 2009-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Cheshire Dock; 2008-10-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** West Virginia Resources Inc → Cheshire Dock; 2009-03-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → West Virginia Resources Inc; 2009-03-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Penny M  Preston → Cheshire Dock; 2011-03-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Penny M  Preston → Jaymar Inc; 2011-03-08 to 2009-03-10; source msha-controller-operator-history