# Relationship history for MSHA mine 1519726

Current hierarchy: **Tommy  Jayne → COALTON MINING INC. → NO. 1**

- 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:** Minerva Ruth  Mead → NO. 1; 2007-10-15 to 2013-05-29; source msha-controller-operator-history
- **controller_controls_mine:** Virginia  Mead → NO. 1; 2013-05-30 to 2021-12-07; source msha-controller-operator-history
- **operator_operates_mine:** MRM Mining, Inc. → NO. 1; 2013-11-06 to 2018-12-10; source msha-controller-operator-history
- **controller_controls_operator:** Minerva Ruth  Mead → MRM Mining, Inc.; 2013-11-06 to 2013-05-29; source msha-controller-operator-history
- **controller_controls_operator:** Virginia  Mead → MRM Mining, Inc.; 2013-11-06 to 2018-12-10; source msha-controller-operator-history
- **operator_operates_mine:** COALTON MINING INC. → NO. 1; 2018-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tommy  Jayne → NO. 1; 2018-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tommy  Jayne → COALTON MINING INC.; 2018-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Danny D Mead → NO. 1; 2021-12-08 to 2023-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Danny D Mead → MRM Mining, Inc.; 2021-12-08 to 2018-12-10; source msha-controller-operator-history
- **controller_controls_mine:** Virginia Jenny"  Mead Hicks et al" → NO. 1; 2023-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Virginia Jenny"  Mead Hicks et al" → MRM Mining, Inc.; 2023-10-01 to 2018-12-10; source msha-controller-operator-history
- **controller_controls_operator:** Danny D Mead et al → MRM Mining, Inc.; 2023-10-01 to 2018-12-10; source msha-controller-operator-history