# Relationship history for MSHA mine 4606953

Current hierarchy: **Redden Steve W → Maple Leaf Coal Company Inc → #1a (Duplicate Of Id No 46-07492)**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** Redden Steve W → #1a (Duplicate Of Id No 46-07492); 1981-06-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** H & D Coal Company → #1a (Duplicate Of Id No 46-07492); 1985-06-01 to 1985-11-04; source msha-controller-operator-history
- **controller_controls_mine:** Milem Homer → #1a (Duplicate Of Id No 46-07492); 1985-06-01 to 1988-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Milem Homer → H & D Coal Company; 1985-06-01 to 1985-11-04; source msha-controller-operator-history
- **operator_operates_mine:** Lucky Star Mining Inc → #1a (Duplicate Of Id No 46-07492); 1985-11-05 to 1986-05-21; source msha-controller-operator-history
- **controller_controls_mine:** Starcher W R → #1a (Duplicate Of Id No 46-07492); 1985-11-05 to 1986-05-21; source msha-controller-operator-history
- **controller_controls_operator:** Starcher W R → Lucky Star Mining Inc; 1985-11-05 to 1986-05-21; source msha-controller-operator-history
- **operator_operates_mine:** Lucky Star Mining Inc → #1a (Duplicate Of Id No 46-07492); 1986-05-22 to 1988-03-27; source msha-controller-operator-history
- **controller_controls_mine:** Holliday Leonard → #1a (Duplicate Of Id No 46-07492); 1986-05-22 to 1988-03-27; source msha-controller-operator-history
- **controller_controls_operator:** Holliday Leonard → Lucky Star Mining Inc; 1986-05-22 to 1988-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Maple Leaf Coal Company Inc → #1a (Duplicate Of Id No 46-07492); 1988-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Redden Steve W → Maple Leaf Coal Company Inc; 1988-03-28 to current/open; source msha-controller-operator-history