# Relationship history for MSHA mine 1519768

Current hierarchy: **Jack  Stump; Michael  Runyon → Tennco, Inc. → Jennie Branch 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Tennco, Inc. → Jennie Branch Mine; 2014-11-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daris  Stump → Jennie Branch Mine; 2014-11-17 to 2015-02-15; source msha-controller-operator-history
- **controller_controls_operator:** Daris  Stump → Tennco, Inc.; 2014-11-17 to 2015-02-15; source msha-controller-operator-history
- **controller_controls_mine:** Jack  Stump Et Al → Jennie Branch Mine; 2015-02-16 to 2016-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Stump Et Al → Tennco, Inc.; 2015-02-16 to 2016-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Jackie (Mitch)  Fannin Et Al → Tennco, Inc.; 2015-02-16 to 2016-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Runyon et al → Jennie Branch Mine; 2016-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Runyon et al → Tennco, Inc.; 2016-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Stump et al → Tennco, Inc.; 2016-03-31 to current/open; source msha-controller-operator-history