# Relationship history for MSHA mine 1202425

Current hierarchy: **Scott  Schue; J. Kenneth  Merten; Greg  Olinger → Sun Energy Group, LLC → Hilsmeyer Mine**

- 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:** Don  Foertsch et al → Hilsmeyer Mine; 1977-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Little Sandy Coal Company, Inc. → Hilsmeyer Mine; 2009-03-31 to 2013-12-23; source msha-controller-operator-history
- **controller_controls_operator:** Don  Foertsch et al → Little Sandy Coal Company, Inc.; 2009-03-31 to 2013-12-23; source msha-controller-operator-history
- **controller_controls_mine:** Loyd J  Cole et al → Hilsmeyer Mine; 2013-01-26 to 2022-04-11; source msha-controller-operator-history
- **operator_operates_mine:** Loudermilk Contracting Inc. → Hilsmeyer Mine; 2013-12-24 to 2014-09-09; source msha-controller-operator-history
- **controller_controls_mine:** Joseph  Loudermilk et al → Hilsmeyer Mine; 2013-12-24 to 2024-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Joseph  Loudermilk et al → Loudermilk Contracting Inc.; 2013-12-24 to 2014-09-09; source msha-controller-operator-history
- **controller_controls_operator:** Deborah  Pinney et al → Loudermilk Contracting Inc.; 2013-12-24 to 2014-09-09; source msha-controller-operator-history
- **operator_operates_mine:** Sun Energy Group, LLC → Hilsmeyer Mine; 2014-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Loyd J  Cole et al → Sun Energy Group, LLC; 2014-09-10 to 2022-04-11; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Childress et al → Sun Energy Group, LLC; 2014-09-10 to 2022-04-11; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Schue → Hilsmeyer Mine; 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:** J. Kenneth  Merten et al → Hilsmeyer Mine; 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
- **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_mine:** John Daniel Loudermilk et al → Hilsmeyer Mine; 2024-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John Daniel Loudermilk et al → Loudermilk Contracting Inc.; 2024-12-01 to 2014-09-09; source msha-controller-operator-history
- **controller_controls_operator:** Joseph Henry Loudermilk et al → Loudermilk Contracting Inc.; 2024-12-01 to 2014-09-09; source msha-controller-operator-history