# Relationship history for MSHA mine 3601475

Current hierarchy: **Cunningham Richard → Maranatha Coal Construction → Moore**

- 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:** Irvin Moore → Moore; 1950-01-01 to 1983-08-03; source msha-controller-operator-history
- **controller_controls_mine:** Moore Irvin → Moore; 1950-01-01 to 1983-08-03; source msha-controller-operator-history
- **controller_controls_operator:** Moore Irvin → Irvin Moore; 1950-01-01 to 1983-08-03; source msha-controller-operator-history
- **operator_operates_mine:** Maranatha Coal Construction → Moore; 1983-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cunningham Richard → Moore; 1983-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cunningham Richard → Maranatha Coal Construction; 1983-08-04 to current/open; source msha-controller-operator-history