# Relationship history for MSHA mine 4405188

Current hierarchy: **SunCoke Energy Incorporated → Jewell Smokeless Coal Corp → Jscc #3**

- 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:** Double D Enterprizes Inc → Jscc #3; 1979-02-01 to 1981-03-12; source msha-controller-operator-history
- **controller_controls_mine:** Jones Dennis → Jscc #3; 1979-02-01 to 1981-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Jones Dennis → Double D Enterprizes Inc; 1979-02-01 to 1981-03-12; source msha-controller-operator-history
- **controller_controls_mine:** Sunoco, Inc. → Jscc #3; 1979-10-17 to 2012-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Gum Branch Coal Corp → Jscc #3; 1981-03-13 to 1983-01-12; source msha-controller-operator-history
- **controller_controls_mine:** Cook James H → Jscc #3; 1981-03-13 to 1983-01-12; source msha-controller-operator-history
- **controller_controls_operator:** Cook James H → Gum Branch Coal Corp; 1981-03-13 to 1983-01-12; source msha-controller-operator-history
- **operator_operates_mine:** Gum Branch Coal Corp → Jscc #3; 1983-01-13 to 1988-10-17; source msha-controller-operator-history
- **controller_controls_mine:** Richardson Dowell → Jscc #3; 1983-01-13 to 1988-10-17; source msha-controller-operator-history
- **controller_controls_operator:** Richardson Dowell → Gum Branch Coal Corp; 1983-01-13 to 1988-10-17; source msha-controller-operator-history
- **operator_operates_mine:** Jewell Smokeless Coal Corp → Jscc #3; 1988-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Jewell Smokeless Coal Corp; 1988-10-18 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** SunCoke Energy Incorporated → Jscc #3; 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