# Relationship history for MSHA mine 4405902

Current hierarchy: **Bolling C R → Emerald Mining Inc → 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

- **controller_controls_mine:** Mc Glothlin Henry M → No 1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Double J Coal Company Inc → No 1; 1982-06-01 to 1983-04-13; source msha-controller-operator-history
- **controller_controls_mine:** Keene Jack R Et Al → No 1; 1982-06-01 to 1983-04-13; source msha-controller-operator-history
- **controller_controls_operator:** Keene Jack R Et Al → Double J Coal Company Inc; 1982-06-01 to 1983-04-13; source msha-controller-operator-history
- **operator_operates_mine:** Garden Mining Inc → No 1; 1983-04-14 to 1984-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Curtis Robert M → No 1; 1983-04-14 to 1984-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Curtis Robert M → Garden Mining Inc; 1983-04-14 to 1984-01-31; source msha-controller-operator-history
- **operator_operates_mine:** V & V Mining → No 1; 1984-02-01 to 1984-04-03; source msha-controller-operator-history
- **controller_controls_mine:** James  Van Dyke et al → No 1; 1984-02-01 to 1984-04-03; source msha-controller-operator-history
- **controller_controls_operator:** James  Van Dyke et al → V & V Mining; 1984-02-01 to 1984-04-03; source msha-controller-operator-history
- **operator_operates_mine:** H M Mc Glothlin Coal Company Inc → No 1; 1984-04-04 to 1984-05-08; source msha-controller-operator-history
- **controller_controls_operator:** Mc Glothlin Henry M → H M Mc Glothlin Coal Company Inc; 1984-04-04 to 1984-05-08; source msha-controller-operator-history
- **operator_operates_mine:** R & D Mining Inc → No 1; 1984-05-09 to 1984-07-05; source msha-controller-operator-history
- **controller_controls_mine:** Russ Gordon → No 1; 1984-05-09 to 1984-07-05; source msha-controller-operator-history
- **controller_controls_operator:** Russ Gordon → R & D Mining Inc; 1984-05-09 to 1984-07-05; source msha-controller-operator-history
- **operator_operates_mine:** Emerald Mining Inc → No 1; 1984-07-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bolling C R → No 1; 1984-07-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bolling C R → Emerald Mining Inc; 1984-07-06 to current/open; source msha-controller-operator-history