# Relationship history for MSHA mine 4406768

Current hierarchy: **Mason  Whited → Black Eagle Inc → #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:** Mc Glothlin Loyal → #1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mc Glothlin Coal Company → #1; 1994-07-01 to 1995-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Mc Glothlin Loyal → Mc Glothlin Coal Company; 1994-07-01 to 1995-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Mc Glothlin Coal Company → #1; 1995-05-01 to 1995-10-29; source msha-controller-operator-history
- **controller_controls_mine:** Darrell  Monk → #1; 1995-05-01 to 1995-10-29; source msha-controller-operator-history
- **controller_controls_operator:** Darrell  Monk → Mc Glothlin Coal Company; 1995-05-01 to 1995-10-29; source msha-controller-operator-history
- **operator_operates_mine:** T C Coal Company Inc → #1; 1995-10-30 to 1996-04-16; source msha-controller-operator-history
- **controller_controls_mine:** Terry  Cline → #1; 1995-10-30 to 1996-04-16; source msha-controller-operator-history
- **controller_controls_operator:** Terry  Cline → T C Coal Company Inc; 1995-10-30 to 1996-04-16; source msha-controller-operator-history
- **operator_operates_mine:** Black Eagle Inc → #1; 1996-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mason  Whited → #1; 1996-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mason  Whited → Black Eagle Inc; 1996-04-17 to current/open; source msha-controller-operator-history