# Relationship history for MSHA mine 4404878

Current hierarchy: **Tiller Robert & Larry → J & L Coal Company → No 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

- **controller_controls_mine:** Tester Rufus → No 1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** R & W Coal Company → No 1; 1977-10-01 to 1979-11-29; source msha-controller-operator-history
- **controller_controls_operator:** Tester Rufus → R & W Coal Company; 1977-10-01 to 1979-11-29; source msha-controller-operator-history
- **controller_controls_mine:** Breeding Claud G & Jimmy Rasnake → No 1; 1979-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Renee Energy Ltd → No 1; 1979-11-30 to 1980-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Jennings Janet V Et Al → No 1; 1979-11-30 to 1980-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Jennings Janet V Et Al → Renee Energy Ltd; 1979-11-30 to 1980-07-21; source msha-controller-operator-history
- **operator_operates_mine:** 4 R C Coal Company Inc → No 1; 1980-07-22 to 1982-03-16; source msha-controller-operator-history
- **controller_controls_operator:** Breeding Claud G & Jimmy Rasnake → 4 R C Coal Company Inc; 1980-07-22 to 1982-03-16; source msha-controller-operator-history
- **operator_operates_mine:** Jennings & Associates Inc → No 1; 1982-03-17 to 1982-03-24; source msha-controller-operator-history
- **controller_controls_mine:** Jennings Bill → No 1; 1982-03-17 to 1982-03-24; source msha-controller-operator-history
- **controller_controls_operator:** Jennings Bill → Jennings & Associates Inc; 1982-03-17 to 1982-03-24; source msha-controller-operator-history
- **operator_operates_mine:** J & L Coal Company → No 1; 1982-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tiller Robert & Larry Et Al → No 1; 1982-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tiller Robert & Larry Et Al → J & L Coal Company; 1982-03-25 to current/open; source msha-controller-operator-history