# Relationship history for MSHA mine 1302297

Current hierarchy: **Kyle K  Pattison → Pattison Company, LLC → Pattison Company, LLC**

- 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:** Lloyd B  Pattison → Pattison Company, LLC; 1994-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pattison Bros. → Pattison Company, LLC; 2005-04-14 to 2005-11-28; source msha-controller-operator-history
- **controller_controls_operator:** Lloyd B  Pattison → Pattison Bros.; 2005-04-14 to 2005-11-28; source msha-controller-operator-history
- **operator_operates_mine:** Pattison Company, LLC → Pattison Company, LLC; 2005-11-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lloyd B  Pattison → Pattison Company, LLC; 2005-11-29 to 2022-10-16; source msha-controller-operator-history
- **controller_controls_operator:** Lloyd B  Pattison → Pattison Company, LLC; 2005-11-29 to 2022-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Kyle K  Pattison → Pattison Company, LLC; 2022-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kyle K  Pattison → Pattison Company, LLC; 2022-10-17 to current/open; source msha-controller-operator-history