# Relationship history for MSHA mine 1518859

Current hierarchy: **Terry G  Loving → Kern Coal Company, Inc → Cherries Branch Surface 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Kern  Brashear → Cherries Branch Surface Mine; 1987-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terry G  Loving → Cherries Branch Surface Mine; 2004-09-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Boyd Contracting Inc → Cherries Branch Surface Mine; 2005-04-07 to 2006-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Gary N  Boyd → Cherries Branch Surface Mine; 2005-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary N  Boyd → Boyd Contracting Inc; 2005-04-07 to 2006-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Kern Coal Company, Inc. → Cherries Branch Surface Mine; 2006-09-01 to 2008-03-10; source msha-controller-operator-history
- **controller_controls_operator:** Kern  Brashear → Kern Coal Company, Inc.; 2006-09-01 to 2008-03-10; source msha-controller-operator-history
- **operator_operates_mine:** Kern Coal Company, Inc → Cherries Branch Surface Mine; 2008-03-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry G  Loving → Kern Coal Company, Inc; 2008-03-11 to current/open; source msha-controller-operator-history