# Relationship history for MSHA mine 4609372

Current hierarchy: **James  Black; Freddie A Taylor → TB Coal Company, Inc → Taylor Highwall 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:** Douglas M  Epling et al → Taylor Highwall Mine; 2000-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hanover Resources, LLC → Taylor Highwall Mine; 2011-09-01 to 2017-06-15; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling et al → Hanover Resources, LLC; 2011-09-01 to 2017-06-15; source msha-controller-operator-history
- **operator_operates_mine:** TB Coal Company, Inc → Taylor Highwall Mine; 2017-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Freddie A Taylor et al → Taylor Highwall Mine; 2017-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Freddie A Taylor et al → TB Coal Company, Inc; 2017-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Black et al → TB Coal Company, Inc; 2017-06-16 to current/open; source msha-controller-operator-history