# Relationship history for MSHA mine 4607102

Current hierarchy: **Stanya George M → Stanya Coal Company → Precious Patty No1 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:** Stanya Sales Company → Precious Patty No1 Mine; 1986-03-01 to 1990-08-29; source msha-controller-operator-history
- **controller_controls_mine:** Stanya George M → Precious Patty No1 Mine; 1986-03-01 to 1990-08-29; source msha-controller-operator-history
- **controller_controls_operator:** Stanya George M → Stanya Sales Company; 1986-03-01 to 1990-08-29; source msha-controller-operator-history
- **operator_operates_mine:** J & J Fuels Inc → Precious Patty No1 Mine; 1990-08-30 to 1991-05-17; source msha-controller-operator-history
- **controller_controls_mine:** Frush James W Jr → Precious Patty No1 Mine; 1990-08-30 to 1991-05-17; source msha-controller-operator-history
- **controller_controls_operator:** Frush James W Jr → J & J Fuels Inc; 1990-08-30 to 1991-05-17; source msha-controller-operator-history
- **operator_operates_mine:** Stanya Coal Company → Precious Patty No1 Mine; 1991-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stanya George M → Precious Patty No1 Mine; 1991-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stanya George M → Stanya Coal Company; 1991-05-18 to current/open; source msha-controller-operator-history