# Relationship history for MSHA mine 4607721

Current hierarchy: **Thomas M  Rasnake → Beacon Energy L L C → No 1 (4)**

- 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:** Teanik Coal Inc → No 1 (4); 1989-06-01 to 1992-09-07; source msha-controller-operator-history
- **controller_controls_mine:** Brown Jimmy Lee → No 1 (4); 1989-06-01 to 1992-09-07; source msha-controller-operator-history
- **controller_controls_operator:** Brown Jimmy Lee → Teanik Coal Inc; 1989-06-01 to 1992-09-07; source msha-controller-operator-history
- **operator_operates_mine:** Valley Shiloh Inc → No 1 (4); 1992-09-08 to 1993-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Sokol Ronald M → No 1 (4); 1992-09-08 to 1993-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Sokol Ronald M → Valley Shiloh Inc; 1992-09-08 to 1993-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Andes Mining Inc → No 1 (4); 1993-07-01 to 1994-10-23; source msha-controller-operator-history
- **controller_controls_mine:** Brown Kevin & Richard → No 1 (4); 1993-07-01 to 1994-10-23; source msha-controller-operator-history
- **controller_controls_operator:** Brown Kevin & Richard → Andes Mining Inc; 1993-07-01 to 1994-10-23; source msha-controller-operator-history
- **controller_controls_mine:** Daniels Eugene → No 1 (4); 1994-05-04 to 1996-04-21; source msha-controller-operator-history
- **operator_operates_mine:** Andes Mining Inc → No 1 (4); 1994-10-24 to 1995-03-27; source msha-controller-operator-history
- **controller_controls_mine:** Endicott Shelby R → No 1 (4); 1994-10-24 to 1995-03-27; source msha-controller-operator-history
- **controller_controls_operator:** Endicott Shelby R → Andes Mining Inc; 1994-10-24 to 1995-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Cripple Creek Mining Inc → No 1 (4); 1995-03-28 to 1996-04-21; source msha-controller-operator-history
- **controller_controls_operator:** Daniels Eugene → Cripple Creek Mining Inc; 1995-03-28 to 1996-04-21; source msha-controller-operator-history
- **operator_operates_mine:** Beacon Energy L L C → No 1 (4); 1996-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Thomas M  Rasnake → No 1 (4); 1996-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas M  Rasnake → Beacon Energy L L C; 1996-04-22 to current/open; source msha-controller-operator-history