# Relationship history for MSHA mine 4404802

Current hierarchy: **SunCoke Energy Incorporated → Jewell Smokeless Coal Corp → J S C C #11**

- 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:** Owens Otto & Gordon Et Al → J S C C #11; 1975-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Owens Coal Company → J S C C #11; 1977-07-01 to 1978-01-10; source msha-controller-operator-history
- **controller_controls_operator:** Owens Otto & Gordon Et Al → Owens Coal Company; 1977-07-01 to 1978-01-10; source msha-controller-operator-history
- **operator_operates_mine:** Piney Mountain Coal Corp → J S C C #11; 1978-01-11 to 1988-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Mays James R & Paul → J S C C #11; 1978-01-11 to 1988-03-10; source msha-controller-operator-history
- **controller_controls_operator:** Mays James R & Paul → Piney Mountain Coal Corp; 1978-01-11 to 1988-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Sunoco, Inc. → J S C C #11; 1979-10-17 to 2012-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Jewell Smokeless Coal Corp → J S C C #11; 1988-03-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Jewell Smokeless Coal Corp; 1988-03-11 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** SunCoke Energy Incorporated → J S C C #11; 2012-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SunCoke Energy Incorporated → Jewell Smokeless Coal Corp; 2012-01-17 to current/open; source msha-controller-operator-history