# Relationship history for MSHA mine 3600116

Current hierarchy: **Naceville Materials Inc; Haines & Kibblehouse Inc → Naceville Materials JV → H & K MATERIALS**

- 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:** H & K Materials → H & K MATERIALS; 1950-01-01 to 2017-02-21; source msha-controller-operator-history
- **controller_controls_mine:** John R  Kibblehouse et al → H & K MATERIALS; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John R  Kibblehouse et al → H & K Materials; 1950-01-01 to 2017-02-21; source msha-controller-operator-history
- **controller_controls_operator:** John B  Haines IV et al → H & K Materials; 1950-01-01 to 2017-02-21; source msha-controller-operator-history
- **controller_controls_mine:** Haines & Kibblehouse Inc et al → H & K MATERIALS; 1992-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Naceville Materials JV → H & K MATERIALS; 2017-02-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Haines & Kibblehouse Inc et al → Naceville Materials JV; 2017-02-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Naceville Materials Inc  et al → Naceville Materials JV; 2017-02-22 to current/open; source msha-controller-operator-history