# Relationship history for MSHA mine 4601319

Current hierarchy: **Sorbello Charles J → Peora Coal Company → Peora 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:** Consolidation Coal Company → Peora Mine; 1950-01-01 to 1983-07-13; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Peora Mine; 1950-01-01 to 2013-12-04; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consolidation Coal Company; 1950-01-01 to 1983-07-13; source msha-controller-operator-history
- **operator_operates_mine:** Peora Coal Company → Peora Mine; 1983-07-14 to 1986-05-06; source msha-controller-operator-history
- **controller_controls_mine:** L Nicholas  Stevens → Peora Mine; 1983-07-14 to 1986-05-06; source msha-controller-operator-history
- **controller_controls_operator:** L Nicholas  Stevens → Peora Coal Company; 1983-07-14 to 1986-05-06; source msha-controller-operator-history
- **operator_operates_mine:** Peora Coal Company → Peora Mine; 1986-05-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Sorbello Charles J → Peora Mine; 1986-05-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sorbello Charles J → Peora Coal Company; 1986-05-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Peora Mine; 2013-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Consolidation Coal Company; 2013-12-05 to 1983-07-13; source msha-controller-operator-history