# Relationship history for MSHA mine 4407256

Current hierarchy: **Jerry W  Wharton → J W Construction Company Inc → Stonega Strip #10**

- 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:** Wesley D.  Burke et al → Stonega Strip #10; 1986-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cumberland Resources Corporation → Stonega Strip #10; 2008-09-24 to 2010-04-18; source msha-controller-operator-history
- **operator_operates_mine:** Nine Mile Spur LLC → Stonega Strip #10; 2009-06-15 to 2010-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Cumberland Resources Corporation → Nine Mile Spur LLC; 2009-06-15 to 2010-01-21; source msha-controller-operator-history
- **operator_operates_mine:** Fairbanks Coal Company Inc → Stonega Strip #10; 2010-01-22 to 2013-03-26; source msha-controller-operator-history
- **controller_controls_operator:** Wesley D.  Burke et al → Fairbanks Coal Company Inc; 2010-01-22 to 2013-03-26; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Stonega Strip #10; 2010-04-19 to 2013-03-26; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Nine Mile Spur LLC; 2010-04-19 to 2010-01-21; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Stonega Strip #10; 2013-03-27 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Nine Mile Spur LLC; 2013-03-27 to 2010-01-21; source msha-controller-operator-history
- **operator_operates_mine:** Nine Mile Spur, LLC → Stonega Strip #10; 2013-03-27 to 2024-01-23; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Nine Mile Spur, LLC; 2013-03-27 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Nine Mile Spur, LLC; 2013-03-27 to 2013-03-26; source msha-controller-operator-history
- **controller_controls_operator:** Cumberland Resources Corporation → Nine Mile Spur, LLC; 2013-03-27 to 2010-04-18; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Stonega Strip #10; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Nine Mile Spur LLC; 2016-07-26 to 2010-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Nine Mile Spur, LLC; 2016-07-26 to 2024-01-23; source msha-controller-operator-history
- **controller_controls_mine:** Jerry W  Wharton → Stonega Strip #10; 2018-03-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J W Construction Company Inc → Stonega Strip #10; 2024-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry W  Wharton → J W Construction Company Inc; 2024-01-24 to current/open; source msha-controller-operator-history