# Relationship history for MSHA mine 1513586

Current hierarchy: **Christian David H → J & C Mining Company → J & C 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:** Christian Richard A → J & C Mine; 1979-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B & M Mining → J & C Mine; 1982-07-01 to 1983-01-06; source msha-controller-operator-history
- **controller_controls_mine:** Brown Douglas & Allen J Mullis → J & C Mine; 1982-07-01 to 1983-01-06; source msha-controller-operator-history
- **controller_controls_operator:** Brown Douglas & Allen J Mullis → B & M Mining; 1982-07-01 to 1983-01-06; source msha-controller-operator-history
- **operator_operates_mine:** J & C Mining Company → J & C Mine; 1983-01-07 to 1983-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Christian David H → J & C Mine; 1983-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christian David H → J & C Mining Company; 1983-01-07 to 1983-02-28; source msha-controller-operator-history
- **operator_operates_mine:** R A C Mining Corp → J & C Mine; 1983-03-01 to 1983-12-07; source msha-controller-operator-history
- **controller_controls_operator:** Christian Richard A → R A C Mining Corp; 1983-03-01 to 1983-12-07; source msha-controller-operator-history
- **operator_operates_mine:** J & C Mining Company → J & C Mine; 1983-12-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christian David H → J & C Mining Company; 1983-12-08 to current/open; source msha-controller-operator-history