# Relationship history for MSHA mine 1519434

Current hierarchy: **Thurman  Harness → M-T Coal Company LLC → #2**

- 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:** Jody Dale Puckett → #2; 2007-07-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joey  Taylor → #2; 2009-07-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Viper Coal LLC → #2; 2009-10-06 to 2010-09-13; source msha-controller-operator-history
- **controller_controls_operator:** Jody Dale Puckett → Viper Coal LLC; 2009-10-06 to 2010-09-13; source msha-controller-operator-history
- **controller_controls_mine:** Thurman  Harness → #2; 2010-05-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Elwood Energy, Inc. → #2; 2010-09-14 to 2010-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Joey  Taylor → Elwood Energy, Inc.; 2010-09-14 to 2010-11-08; source msha-controller-operator-history
- **operator_operates_mine:** M-T Coal Company LLC → #2; 2010-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thurman  Harness → M-T Coal Company LLC; 2010-11-09 to current/open; source msha-controller-operator-history