# Relationship history for MSHA mine 4609559

Current hierarchy: **Vernon  King Jr → MetCrest Mining LLC → Spring Dale Surface 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:** David L  Huffman → Spring Dale Surface Mine; 2003-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Resources Limited, LLC → Spring Dale Surface Mine; 2018-10-05 to 2019-02-10; source msha-controller-operator-history
- **controller_controls_operator:** David L  Huffman → Resources Limited, LLC; 2018-10-05 to 2019-02-10; source msha-controller-operator-history
- **operator_operates_mine:** American Mining Group, LLC → Spring Dale Surface Mine; 2019-02-11 to 2025-01-20; source msha-controller-operator-history
- **controller_controls_mine:** Matthew  Ide et al → Spring Dale Surface Mine; 2019-02-11 to 2020-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Matthew  Ide et al → American Mining Group, LLC; 2019-02-11 to 2020-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Michael  McNinch et al → American Mining Group, LLC; 2019-02-11 to 2020-12-30; source msha-controller-operator-history
- **controller_controls_mine:** Cottage Mining LLC → Spring Dale Surface Mine; 2020-12-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cottage Mining LLC → American Mining Group, LLC; 2020-12-31 to 2025-01-20; source msha-controller-operator-history
- **controller_controls_operator:** John D  Sams et al → American Mining Group, LLC; 2020-12-31 to 2025-01-20; source msha-controller-operator-history
- **controller_controls_operator:** Kevin W  Jordan et al → American Mining Group, LLC; 2020-12-31 to 2025-01-20; source msha-controller-operator-history
- **operator_operates_mine:** Metcore LLC → Spring Dale Surface Mine; 2025-01-21 to 2025-08-31; source msha-controller-operator-history
- **controller_controls_mine:** TMG Resources LLC → Spring Dale Surface Mine; 2025-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** TMG Resources LLC → Metcore LLC; 2025-01-21 to 2025-08-31; source msha-controller-operator-history
- **operator_operates_mine:** MetCrest Mining LLC → Spring Dale Surface Mine; 2025-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Vernon  King Jr → Spring Dale Surface Mine; 2025-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vernon  King Jr → MetCrest Mining LLC; 2025-09-01 to current/open; source msha-controller-operator-history