# Relationship history for MSHA mine 1002247

Current hierarchy: **Kyle C Johnson; JD  Lundblade → TMC Contractors, Inc. → TMC Contractors, Inc.**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Hitt Pit, Inc. → TMC Contractors, Inc.; 2014-05-06 to 2016-08-29; source msha-controller-operator-history
- **controller_controls_mine:** Turk  McMurtrey → TMC Contractors, Inc.; 2014-05-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Turk  McMurtrey → Hitt Pit, Inc.; 2014-05-06 to 2016-08-29; source msha-controller-operator-history
- **operator_operates_mine:** TMC Contractors, Inc. → TMC Contractors, Inc.; 2016-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randy  Turnage → TMC Contractors, Inc.; 2016-08-30 to 2024-05-22; source msha-controller-operator-history
- **controller_controls_operator:** Randy  Turnage → TMC Contractors, Inc.; 2016-08-30 to 2024-05-22; source msha-controller-operator-history
- **controller_controls_mine:** JD  Lundblade et al → TMC Contractors, Inc.; 2024-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** JD  Lundblade et al → TMC Contractors, Inc.; 2024-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kyle C Johnson et al → TMC Contractors, Inc.; 2024-05-23 to current/open; source msha-controller-operator-history