# Relationship history for MSHA mine 1504181

Current hierarchy: **Weston Mining Corp → A M Daniels Inc → Loadout No 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** A M Daniels Coal Company Inc → Loadout No 1; 1950-01-01 to 1987-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Daniels A M Jr → Loadout No 1; 1950-01-01 to 1987-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Daniels A M Jr → A M Daniels Coal Company Inc; 1950-01-01 to 1987-03-30; source msha-controller-operator-history
- **operator_operates_mine:** A M Daniels Inc → Loadout No 1; 1987-03-31 to 1991-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Inspiration Resources Corporation → Loadout No 1; 1987-03-31 to 1991-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Inspiration Resources Corporation → A M Daniels Inc; 1987-03-31 to 1991-11-30; source msha-controller-operator-history
- **operator_operates_mine:** A M Daniels Inc → Loadout No 1; 1991-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Weston Mining Corp → Loadout No 1; 1991-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Weston Mining Corp → A M Daniels Inc; 1991-12-01 to current/open; source msha-controller-operator-history