# Relationship history for MSHA mine 1511402

Current hierarchy: **Infinity Coal Corp → Citation Coal Corp → No 1 Tipple**

- 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:** Dotson & Justice Enterprises Inc → No 1 Tipple; 1978-06-01 to 1979-05-01; source msha-controller-operator-history
- **controller_controls_mine:** James L  Griffith et al → No 1 Tipple; 1978-06-01 to 1979-05-01; source msha-controller-operator-history
- **controller_controls_operator:** James L  Griffith et al → Dotson & Justice Enterprises Inc; 1978-06-01 to 1979-05-01; source msha-controller-operator-history
- **operator_operates_mine:** Bluegrass Elkhorn Inc → No 1 Tipple; 1979-05-02 to 1981-03-11; source msha-controller-operator-history
- **controller_controls_mine:** Malesko Jack → No 1 Tipple; 1979-05-02 to 1988-05-22; source msha-controller-operator-history
- **controller_controls_operator:** Malesko Jack → Bluegrass Elkhorn Inc; 1979-05-02 to 1981-03-11; source msha-controller-operator-history
- **controller_controls_mine:** Carter William B & David → No 1 Tipple; 1981-02-09 to 1983-03-16; source msha-controller-operator-history
- **operator_operates_mine:** Citation Coal Corp → No 1 Tipple; 1981-03-12 to 1983-03-16; source msha-controller-operator-history
- **controller_controls_operator:** Carter William B & David → Citation Coal Corp; 1981-03-12 to 1983-03-16; source msha-controller-operator-history
- **controller_controls_mine:** Infinity Coal Corp → No 1 Tipple; 1983-03-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Citation Coal Corp → No 1 Tipple; 1983-03-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Infinity Coal Corp → Citation Coal Corp; 1983-03-17 to current/open; source msha-controller-operator-history