# Relationship history for MSHA mine 1202424

Current hierarchy: **Scott  Schue; J. Kenneth  Merten; Greg  Olinger → Sun Energy Group, LLC → Gray #1 - Blackfoot #5**

- 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:** Dennis Lee  Jarvis et al → Gray #1 - Blackfoot #5; 2007-08-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jarvis Coal LLC → Gray #1 - Blackfoot #5; 2009-07-28 to 2011-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Dennis Lee  Jarvis et al → Jarvis Coal LLC; 2009-07-28 to 2011-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Boyd and Sons Construction, LLC → Gray #1 - Blackfoot #5; 2012-01-01 to 2014-09-21; source msha-controller-operator-history
- **controller_controls_mine:** Michael E  Boyd et al → Gray #1 - Blackfoot #5; 2012-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael E  Boyd et al → Boyd and Sons Construction, LLC; 2012-01-01 to 2014-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Gregory  Boyd et al → Boyd and Sons Construction, LLC; 2012-01-01 to 2014-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Steven  Boyd  et al → Boyd and Sons Construction, LLC; 2012-01-01 to 2014-09-21; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Childress et al → Gray #1 - Blackfoot #5; 2013-01-26 to 2022-04-11; source msha-controller-operator-history
- **operator_operates_mine:** Sun Energy Group, LLC → Gray #1 - Blackfoot #5; 2014-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Childress et al → Sun Energy Group, LLC; 2014-09-22 to 2022-04-11; source msha-controller-operator-history
- **controller_controls_operator:** Loyd J  Cole et al → Sun Energy Group, LLC; 2014-09-22 to 2022-04-11; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Schue → Gray #1 - Blackfoot #5; 2022-04-12 to 2022-08-08; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Schue → Sun Energy Group, LLC; 2022-04-12 to 2022-08-08; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Schue et al → Gray #1 - Blackfoot #5; 2022-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Schue et al → Sun Energy Group, LLC; 2022-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Greg  Olinger et al → Sun Energy Group, LLC; 2022-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J. Kenneth  Merten et al → Sun Energy Group, LLC; 2022-08-09 to current/open; source msha-controller-operator-history