# Relationship history for MSHA mine 4603803

Current hierarchy: **Moore Perry → C C Conley & Son'S Inc → No 1 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:** Conley Willis Et Al → No 1 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C C Conley & Sons Inc → No 1 Mine; 1973-05-01 to 1990-01-03; source msha-controller-operator-history
- **controller_controls_operator:** Conley Willis Et Al → C C Conley & Sons Inc; 1973-05-01 to 1990-01-03; source msha-controller-operator-history
- **operator_operates_mine:** C C Conley & Sons Inc → No 1 Mine; 1990-01-04 to 1991-07-17; source msha-controller-operator-history
- **controller_controls_mine:** Slater George → No 1 Mine; 1990-01-04 to 1991-07-17; source msha-controller-operator-history
- **controller_controls_operator:** Slater George → C C Conley & Sons Inc; 1990-01-04 to 1991-07-17; source msha-controller-operator-history
- **operator_operates_mine:** C C Conley & Son'S Inc → No 1 Mine; 1991-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Moore Perry → No 1 Mine; 1991-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Moore Perry → C C Conley & Son'S Inc; 1991-07-18 to current/open; source msha-controller-operator-history