# Relationship history for MSHA mine 1513616

Current hierarchy: **Smith Joey → Cribb Coal Company → No 1**

- 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:** Titus Coal Company → No 1; 1982-07-01 to 1983-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Bussell Paul Jr-Clark Jones Et Al → No 1; 1982-07-01 to 1983-02-23; source msha-controller-operator-history
- **controller_controls_operator:** Bussell Paul Jr-Clark Jones Et Al → Titus Coal Company; 1982-07-01 to 1983-02-23; source msha-controller-operator-history
- **operator_operates_mine:** Carter Coal Company → No 1; 1983-02-24 to 1983-11-07; source msha-controller-operator-history
- **controller_controls_mine:** Carter Larry Et Al → No 1; 1983-02-24 to 1983-11-07; source msha-controller-operator-history
- **controller_controls_operator:** Carter Larry Et Al → Carter Coal Company; 1983-02-24 to 1983-11-07; source msha-controller-operator-history
- **operator_operates_mine:** Cribb Coal Company → No 1; 1983-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Smith Joey → No 1; 1983-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Smith Joey → Cribb Coal Company; 1983-11-08 to current/open; source msha-controller-operator-history
