# Relationship history for MSHA mine 4605597

Current hierarchy: **Mc Million Virgil & Jerry Hatley → Shaker Run Coal Company Inc → Mine 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:** Wasserstrom Barry → Mine No 1; 1977-04-01 to 1982-05-26; source msha-controller-operator-history
- **operator_operates_mine:** Cannon Coal Company Inc → Mine No 1; 1977-08-01 to 1982-05-26; source msha-controller-operator-history
- **controller_controls_operator:** Wasserstrom Barry → Cannon Coal Company Inc; 1977-08-01 to 1982-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Romie J  Bailey → Mine No 1; 1981-02-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Erlon Coal Company → Mine No 1; 1982-05-27 to 1985-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Hughes Robert H → Mine No 1; 1982-05-27 to 1986-08-24; source msha-controller-operator-history
- **controller_controls_operator:** Hughes Robert H → Erlon Coal Company; 1982-05-27 to 1985-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Vickie Lynn Mining Company Inc → Mine No 1; 1985-10-01 to 1986-05-12; source msha-controller-operator-history
- **controller_controls_mine:** A B & D Industries Inc → Mine No 1; 1985-10-01 to 1986-05-12; source msha-controller-operator-history
- **controller_controls_operator:** A B & D Industries Inc → Vickie Lynn Mining Company Inc; 1985-10-01 to 1986-05-12; source msha-controller-operator-history
- **operator_operates_mine:** Babcock Mining Inc → Mine No 1; 1986-05-13 to 1987-01-14; source msha-controller-operator-history
- **controller_controls_mine:** Young Charles → Mine No 1; 1986-05-13 to 1987-01-14; source msha-controller-operator-history
- **controller_controls_operator:** Young Charles → Babcock Mining Inc; 1986-05-13 to 1987-01-14; source msha-controller-operator-history
- **operator_operates_mine:** Mc Million Enp Inc → Mine No 1; 1987-01-15 to 1987-04-19; source msha-controller-operator-history
- **controller_controls_mine:** Mc Million Virgil → Mine No 1; 1987-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Million Virgil → Mc Million Enp Inc; 1987-01-15 to 1987-04-19; source msha-controller-operator-history
- **operator_operates_mine:** Craft Coal Company → Mine No 1; 1987-04-20 to 1988-01-02; source msha-controller-operator-history
- **controller_controls_operator:** Romie J  Bailey → Craft Coal Company; 1987-04-20 to 1988-01-02; source msha-controller-operator-history
- **controller_controls_mine:** Mc Million Virgil & Jerry Hatley → Mine No 1; 1987-09-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Shaker Run Coal Company Inc → Mine No 1; 1988-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Million Virgil & Jerry Hatley → Shaker Run Coal Company Inc; 1988-01-03 to current/open; source msha-controller-operator-history