# Relationship history for MSHA mine 4606686

Current hierarchy: **Crase Jay → Mountain Inc → Smoot 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

- **operator_operates_mine:** Smoot Coal Company Inc → Smoot Mine; 1983-08-01 to 1987-07-26; source msha-controller-operator-history
- **controller_controls_mine:** Fazenbaker Paul F Sr → Smoot Mine; 1983-08-01 to 1987-07-26; source msha-controller-operator-history
- **controller_controls_operator:** Fazenbaker Paul F Sr → Smoot Coal Company Inc; 1983-08-01 to 1987-07-26; source msha-controller-operator-history
- **operator_operates_mine:** Smoot Coal Company Inc → Smoot Mine; 1987-07-27 to 1988-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Mc Call-John Coal Company Inc → Smoot Mine; 1987-07-27 to 1991-05-29; source msha-controller-operator-history
- **controller_controls_operator:** Mc Call-John Coal Company Inc → Smoot Coal Company Inc; 1987-07-27 to 1988-08-31; source msha-controller-operator-history
- **operator_operates_mine:** D C & M Mining Company Inc → Smoot Mine; 1988-09-01 to 1989-03-05; source msha-controller-operator-history
- **controller_controls_mine:** Clay Michael → Smoot Mine; 1988-09-01 to 1989-03-05; source msha-controller-operator-history
- **controller_controls_operator:** Clay Michael → D C & M Mining Company Inc; 1988-09-01 to 1989-03-05; source msha-controller-operator-history
- **operator_operates_mine:** Smoot Coal Company Inc → Smoot Mine; 1989-03-06 to 1991-05-29; source msha-controller-operator-history
- **controller_controls_operator:** Mc Call-John Coal Company Inc → Smoot Coal Company Inc; 1989-03-06 to 1991-05-29; source msha-controller-operator-history
- **operator_operates_mine:** Fork Lick Coal Processors Inc → Smoot Mine; 1991-05-30 to 1997-07-10; source msha-controller-operator-history
- **controller_controls_mine:** Carpenter Michael R & Charles G Roberts Sr → Smoot Mine; 1991-05-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carpenter Michael R & Charles G Roberts Sr → Fork Lick Coal Processors Inc; 1991-05-30 to 1997-07-10; source msha-controller-operator-history
- **operator_operates_mine:** A & S Equipment Recovery → Smoot Mine; 1997-07-11 to 1998-01-06; source msha-controller-operator-history
- **controller_controls_mine:** Short Alden & Sid Singleton → Smoot Mine; 1997-07-11 to 1998-01-06; source msha-controller-operator-history
- **controller_controls_operator:** Short Alden & Sid Singleton → A & S Equipment Recovery; 1997-07-11 to 1998-01-06; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Inc → Smoot Mine; 1998-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Crase Jay → Smoot Mine; 1998-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Crase Jay → Mountain Inc; 1998-01-07 to current/open; source msha-controller-operator-history