# Relationship history for MSHA mine 4605633

Current hierarchy: **James G  Bryant → Bryant Mining Company Inc → #1 Surface 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:** James G  Bryant → #1 Surface Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** F S C Enterprises Inc → #1 Surface Mine; 1977-10-01 to 1983-08-16; source msha-controller-operator-history
- **controller_controls_mine:** Fitzpatrick Marvin → #1 Surface Mine; 1977-10-01 to 1983-08-16; source msha-controller-operator-history
- **controller_controls_operator:** Fitzpatrick Marvin → F S C Enterprises Inc; 1977-10-01 to 1983-08-16; source msha-controller-operator-history
- **operator_operates_mine:** Bryant Mining Company Inc → #1 Surface Mine; 1983-08-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James G  Bryant → Bryant Mining Company Inc; 1983-08-17 to current/open; source msha-controller-operator-history