# Relationship history for MSHA mine 1516898

Current hierarchy: **Connie  Bryant → Foggy Mountain Coal Company Inc → No 10**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Dyer Steve → No 10; 1988-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ronald S  Ratliff → No 10; 1988-07-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tara John Coal Corp Inc → No 10; 1990-06-01 to 1990-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Dyer Steve → Tara John Coal Corp Inc; 1990-06-01 to 1990-09-30; source msha-controller-operator-history
- **operator_operates_mine:** R S Mining Inc → No 10; 1990-10-01 to 2001-01-15; source msha-controller-operator-history
- **controller_controls_operator:** Ronald S  Ratliff → R S Mining Inc; 1990-10-01 to 2001-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Randy A  Cook et al → No 10; 2000-11-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Nu Enterprise Corp → No 10; 2001-01-16 to 2002-01-21; source msha-controller-operator-history
- **controller_controls_mine:** James A  Hubbard → No 10; 2001-01-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Hubbard → Nu Enterprise Corp; 2001-01-16 to 2002-01-21; source msha-controller-operator-history
- **operator_operates_mine:** Cook and Sons Mining, Inc. → No 10; 2002-01-22 to 2008-07-06; source msha-controller-operator-history
- **controller_controls_operator:** Randy A  Cook et al → Cook and Sons Mining, Inc.; 2002-01-22 to 2008-07-06; source msha-controller-operator-history
- **controller_controls_operator:** Michael K  Cook et al → Cook and Sons Mining, Inc.; 2002-01-22 to 2008-07-06; source msha-controller-operator-history
- **controller_controls_mine:** Connie  Bryant → No 10; 2003-06-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Harley Coal Inc. → No 10; 2008-07-07 to 2008-09-07; source msha-controller-operator-history
- **controller_controls_mine:** Eric D  Johnson → No 10; 2008-07-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eric D  Johnson → Harley Coal Inc.; 2008-07-07 to 2008-09-07; source msha-controller-operator-history
- **operator_operates_mine:** Foggy Mountain Coal Company Inc → No 10; 2008-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Connie  Bryant → Foggy Mountain Coal Company Inc; 2008-09-08 to current/open; source msha-controller-operator-history