# Relationship history for MSHA mine 1102872

Current hierarchy: **Geraldine P  Turner → S. Coal Company → Tiger Tipple # 1 Mine**

- 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:** Environmental Fuels Inc → Tiger Tipple # 1 Mine; 1989-07-01 to 1996-09-02; source msha-controller-operator-history
- **controller_controls_mine:** Brent  Edwards → Tiger Tipple # 1 Mine; 1989-07-01 to 1996-09-02; source msha-controller-operator-history
- **controller_controls_operator:** Brent  Edwards → Environmental Fuels Inc; 1989-07-01 to 1996-09-02; source msha-controller-operator-history
- **operator_operates_mine:** Summit Energy Corp → Tiger Tipple # 1 Mine; 1996-09-03 to 2001-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Finn  Moller → Tiger Tipple # 1 Mine; 1996-09-03 to 2001-04-04; source msha-controller-operator-history
- **controller_controls_operator:** Finn  Moller → Summit Energy Corp; 1996-09-03 to 2001-04-04; source msha-controller-operator-history
- **operator_operates_mine:** Uco Energy Inc → Tiger Tipple # 1 Mine; 2001-04-05 to 2004-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Jack  Urich II → Tiger Tipple # 1 Mine; 2001-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Urich II → Uco Energy Inc; 2001-04-05 to 2004-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Geraldine P  Turner → Tiger Tipple # 1 Mine; 2001-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S. Coal Company → Tiger Tipple # 1 Mine; 2004-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Geraldine P  Turner → S. Coal Company; 2004-07-09 to current/open; source msha-controller-operator-history