# Relationship history for MSHA mine 4403711

Current hierarchy: **Eads Melvyn W → Easeco Mining Corp → #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

- **operator_operates_mine:** D & K Coals Inc → #1; 1978-11-01 to 1984-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Davis R P → #1; 1978-11-01 to 1984-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Davis R P → D & K Coals Inc; 1978-11-01 to 1984-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Eads Melvyn W → #1; 1983-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Easeco Mining Corp → #1; 1984-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eads Melvyn W → Easeco Mining Corp; 1984-02-01 to current/open; source msha-controller-operator-history