# Relationship history for MSHA mine 4406288

Current hierarchy: **Ervin  Stiltner → K A P Mining Inc → No 2**

- 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:** Ervin  Stiltner → No 2; 1985-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wahtahshi Land & Coal Company Inc → No 2; 1986-04-01 to 1988-09-27; source msha-controller-operator-history
- **controller_controls_mine:** Jack  Slone et al → No 2; 1986-04-01 to 1988-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Slone et al → Wahtahshi Land & Coal Company Inc; 1986-04-01 to 1988-09-27; source msha-controller-operator-history
- **operator_operates_mine:** K A P Mining Inc → No 2; 1988-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ervin  Stiltner → K A P Mining Inc; 1988-09-28 to current/open; source msha-controller-operator-history