# Relationship history for MSHA mine 1505085

Current hierarchy: **Bailey Henry S → Black Mountain Mining 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:** C C C Pompey Coal Company Inc → No 1 Tipple; 1971-02-01 to 1980-06-24; source msha-controller-operator-history
- **controller_controls_mine:** Chaney Ronald → No 1 Tipple; 1971-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chaney Ronald → C C C Pompey Coal Company Inc; 1971-02-01 to 1980-06-24; source msha-controller-operator-history
- **controller_controls_mine:** Carter William B & David → No 1 Tipple; 1980-04-14 to 1983-03-20; source msha-controller-operator-history
- **operator_operates_mine:** Alma Coal Corp → No 1 Tipple; 1980-06-25 to 1980-09-23; source msha-controller-operator-history
- **controller_controls_operator:** Carter William B & David → Alma Coal Corp; 1980-06-25 to 1980-09-23; source msha-controller-operator-history
- **operator_operates_mine:** Shelbiana Construction Company Inc → No 1 Tipple; 1980-09-24 to 1981-02-08; source msha-controller-operator-history
- **controller_controls_mine:** Goff Sammy → No 1 Tipple; 1980-09-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Goff Sammy → Shelbiana Construction Company Inc; 1980-09-24 to 1981-02-08; source msha-controller-operator-history
- **operator_operates_mine:** Citation Coal Corp → No 1 Tipple; 1981-02-09 to 1983-03-10; 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
- **controller_controls_operator:** Carter William B & David → Citation Coal Corp; 1981-02-09 to 1983-03-10; source msha-controller-operator-history
- **operator_operates_mine:** Citation Coal Corp → No 1 Tipple; 1983-03-11 to 1983-11-07; 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
- **controller_controls_operator:** Infinity Coal Corp → Citation Coal Corp; 1983-03-11 to 1983-11-07; source msha-controller-operator-history
- **controller_controls_mine:** Bailey Henry S → No 1 Tipple; 1983-10-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Mountain Mining Corp → No 1 Tipple; 1983-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bailey Henry S → Black Mountain Mining Corp; 1983-11-08 to current/open; source msha-controller-operator-history