# Relationship history for MSHA mine 4606647

Current hierarchy: **Petitte John Jr → Mon River Mining Corp → No 1 Deep**

- 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:** Mon River Mining Corp → No 1 Deep; 1983-03-01 to 1987-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Petitte John Jr → No 1 Deep; 1983-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Petitte John Jr → Mon River Mining Corp; 1983-03-01 to 1987-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Lose Robert-Danny J Lewis Et Al → No 1 Deep; 1986-01-20 to 1988-01-03; source msha-controller-operator-history
- **operator_operates_mine:** Heather Fuels Inc → No 1 Deep; 1987-01-05 to 1987-08-06; source msha-controller-operator-history
- **controller_controls_mine:** Helmick Obed → No 1 Deep; 1987-01-05 to 1987-08-06; source msha-controller-operator-history
- **controller_controls_operator:** Helmick Obed → Heather Fuels Inc; 1987-01-05 to 1987-08-06; source msha-controller-operator-history
- **operator_operates_mine:** Jasa Inc → No 1 Deep; 1987-08-07 to 1988-01-03; source msha-controller-operator-history
- **controller_controls_operator:** Lose Robert-Danny J Lewis Et Al → Jasa Inc; 1987-08-07 to 1988-01-03; source msha-controller-operator-history
- **operator_operates_mine:** Mon River Mining Corp → No 1 Deep; 1988-01-04 to 1988-03-23; source msha-controller-operator-history
- **controller_controls_operator:** Petitte John Jr → Mon River Mining Corp; 1988-01-04 to 1988-03-23; source msha-controller-operator-history
- **operator_operates_mine:** Bethel Fuels Inc → No 1 Deep; 1988-03-24 to 1991-07-24; source msha-controller-operator-history
- **controller_controls_mine:** Barill James → No 1 Deep; 1988-03-24 to 1991-07-24; source msha-controller-operator-history
- **controller_controls_operator:** Barill James → Bethel Fuels Inc; 1988-03-24 to 1991-07-24; source msha-controller-operator-history
- **operator_operates_mine:** Mon River Mining Corp → No 1 Deep; 1991-07-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Petitte John Jr → Mon River Mining Corp; 1991-07-25 to current/open; source msha-controller-operator-history