# Relationship history for MSHA mine 4607122

Current hierarchy: **Falk Connie → C P & S Inc → Mudlick Deep 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

- **controller_controls_mine:** Nutter Jack → Mudlick Deep Mine; 1986-02-24 to 1988-04-11; source msha-controller-operator-history
- **operator_operates_mine:** E F A Inc → Mudlick Deep Mine; 1986-05-01 to 1987-04-19; source msha-controller-operator-history
- **controller_controls_operator:** Nutter Jack → E F A Inc; 1986-05-01 to 1987-04-19; source msha-controller-operator-history
- **operator_operates_mine:** C P & S Inc → Mudlick Deep Mine; 1987-04-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Falk Connie → Mudlick Deep Mine; 1987-04-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Falk Connie → C P & S Inc; 1987-04-20 to current/open; source msha-controller-operator-history