# Relationship history for MSHA mine 1512440

Current hierarchy: **Danny  Jasper → Jasper & Associates Inc → No 2 Tipple**

- 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:** Kaneb Services Inc → No 2 Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nixon Dean → No 2 Tipple; 1980-06-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tenkiller Mining Services Inc → No 2 Tipple; 1980-07-01 to 1982-08-22; source msha-controller-operator-history
- **controller_controls_operator:** Nixon Dean → Tenkiller Mining Services Inc; 1980-07-01 to 1982-08-22; source msha-controller-operator-history
- **operator_operates_mine:** Ikerd-Bandy Company Inc → No 2 Tipple; 1982-08-23 to 1983-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Kaneb Services Inc → Ikerd-Bandy Company Inc; 1982-08-23 to 1983-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Jasper & Associates Inc → No 2 Tipple; 1983-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Danny  Jasper → No 2 Tipple; 1983-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Jasper → Jasper & Associates Inc; 1983-04-01 to current/open; source msha-controller-operator-history