# Relationship history for MSHA mine 4607064

Current hierarchy: **William G  Skewes → Black Wolf Mining Company Inc → Craft Siding (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:** Ritchie Equipment Inc → Craft Siding (1); 1986-01-01 to 1987-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Richard G  Preservati II → Craft Siding (1); 1986-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard G  Preservati II → Ritchie Equipment Inc; 1986-01-01 to 1987-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Load Out Services Inc → Craft Siding (1); 1987-07-10 to 1989-12-31; source msha-controller-operator-history
- **controller_controls_mine:** W Fred  St John → Craft Siding (1); 1987-07-10 to 1989-12-31; source msha-controller-operator-history
- **controller_controls_operator:** W Fred  St John → Load Out Services Inc; 1987-07-10 to 1989-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Loadout Services Inc → Craft Siding (1); 1990-01-01 to 1991-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Richardson Melvin A → Craft Siding (1); 1990-01-01 to 1991-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Richardson Melvin A → Loadout Services Inc; 1990-01-01 to 1991-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Loadout Services Inc → Craft Siding (1); 1991-07-01 to 1994-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Vaughn Leland L → Craft Siding (1); 1991-07-01 to 1994-10-16; source msha-controller-operator-history
- **controller_controls_operator:** Vaughn Leland L → Loadout Services Inc; 1991-07-01 to 1994-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Addair James Wesley → Craft Siding (1); 1993-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** A & A Energy Inc → Craft Siding (1); 1994-10-17 to 1994-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Addair James Wesley → A & A Energy Inc; 1994-10-17 to 1994-11-08; source msha-controller-operator-history
- **operator_operates_mine:** Black Wolf Mining Company Inc → Craft Siding (1); 1994-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** William G  Skewes → Craft Siding (1); 1994-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William G  Skewes → Black Wolf Mining Company Inc; 1994-11-09 to current/open; source msha-controller-operator-history