# Relationship history for MSHA mine 0500249

Current hierarchy: **Carestia Tony → Golden Quality Coal Co → Golden Quality No 5**

- 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:** Dominick & Tony Carestia → Golden Quality No 5; 1950-01-01 to 1972-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Carestia Dominick & Tony → Golden Quality No 5; 1950-01-01 to 1972-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Carestia Dominick & Tony → Dominick & Tony Carestia; 1950-01-01 to 1972-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Nickie Rocchio Jr & Steve Sandritter → Golden Quality No 5; 1973-01-01 to 1973-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Rocchio Nickie → Golden Quality No 5; 1973-01-01 to 1973-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Rocchio Nickie → Nickie Rocchio Jr & Steve Sandritter; 1973-01-01 to 1973-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Golden Quality Coal Co → Golden Quality No 5; 1973-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Carestia Tony → Golden Quality No 5; 1973-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carestia Tony → Golden Quality Coal Co; 1973-09-01 to current/open; source msha-controller-operator-history