# Relationship history for MSHA mine 1519460

Current hierarchy: **Daniel W  Bunn → KYZ Energy LLC → Mine 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:** Charles E  Walker → Mine No.1; 2009-06-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Oak Ridge Energy Inc → Mine No.1; 2010-01-13 to 2012-08-20; source msha-controller-operator-history
- **controller_controls_operator:** Charles E  Walker → Oak Ridge Energy Inc; 2010-01-13 to 2012-08-20; source msha-controller-operator-history
- **operator_operates_mine:** KYZ Energy LLC → Mine No.1; 2012-08-21 to 2015-03-05; source msha-controller-operator-history
- **controller_controls_mine:** Daniel W  Bunn → Mine No.1; 2012-08-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel W  Bunn → KYZ Energy LLC; 2012-08-21 to 2015-03-05; source msha-controller-operator-history
- **operator_operates_mine:** Genetec Mining, LLC → Mine No.1; 2015-03-06 to 2015-07-20; source msha-controller-operator-history
- **controller_controls_mine:** Ronald  Wright → Mine No.1; 2015-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronald  Wright → Genetec Mining, LLC; 2015-03-06 to 2015-07-20; source msha-controller-operator-history
- **operator_operates_mine:** KYZ Energy LLC → Mine No.1; 2015-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel W  Bunn → KYZ Energy LLC; 2015-07-21 to current/open; source msha-controller-operator-history