# Relationship history for MSHA mine 4002380

Current hierarchy: **Morgan Hobart → Little Jenny Coal Company Inc → Tipple #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

- **operator_operates_mine:** Crown Coal Company Inc → Tipple #1; 1978-01-01 to 1980-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Howard Louis → Tipple #1; 1978-01-01 to 1980-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Howard Louis → Crown Coal Company Inc; 1978-01-01 to 1980-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Johnson Brothers Coal Company Inc → Tipple #1; 1980-07-10 to 1981-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Johnson John H Et Al → Tipple #1; 1980-07-10 to 1981-06-14; source msha-controller-operator-history
- **controller_controls_operator:** Johnson John H Et Al → Johnson Brothers Coal Company Inc; 1980-07-10 to 1981-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Fuel Coal Company → Tipple #1; 1981-06-15 to 1982-05-10; source msha-controller-operator-history
- **controller_controls_mine:** Douglas James Lee → Tipple #1; 1981-06-15 to 1982-05-10; source msha-controller-operator-history
- **controller_controls_operator:** Douglas James Lee → Fuel Coal Company; 1981-06-15 to 1982-05-10; source msha-controller-operator-history
- **controller_controls_mine:** Blair Clarence → Tipple #1; 1982-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Betsy Coal Company → Tipple #1; 1982-05-11 to 1986-12-04; source msha-controller-operator-history
- **controller_controls_operator:** Blair Clarence → Betsy Coal Company; 1982-05-11 to 1986-12-04; source msha-controller-operator-history
- **operator_operates_mine:** Crown Coal Sales Inc → Tipple #1; 1986-12-05 to 1993-09-27; source msha-controller-operator-history
- **controller_controls_mine:** Keith Carl → Tipple #1; 1986-12-05 to 1993-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Keith Carl → Crown Coal Sales Inc; 1986-12-05 to 1993-09-27; source msha-controller-operator-history
- **operator_operates_mine:** Little Jenny Coal Company Inc → Tipple #1; 1993-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Morgan Hobart → Tipple #1; 1993-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Morgan Hobart → Little Jenny Coal Company Inc; 1993-09-28 to current/open; source msha-controller-operator-history