# Relationship history for MSHA mine 3608548

Current hierarchy: **Naceville Materials Inc; Haines & Kibblehouse Inc → Naceville Materials J.V. → Plumstead 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

- **controller_controls_mine:** Haines & Kibblehouse Inc et al → Plumstead Materials; 1992-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Miller & Son Paving Inc → Plumstead Materials; 1996-03-01 to 2015-04-12; source msha-controller-operator-history
- **controller_controls_mine:** Robert  S  Miller et al → Plumstead Materials; 1996-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  S  Miller et al → Miller & Son Paving Inc; 1996-03-01 to 2015-04-12; source msha-controller-operator-history
- **controller_controls_operator:** George R  Miller III et al → Miller & Son Paving Inc; 1996-03-01 to 2015-04-12; source msha-controller-operator-history
- **operator_operates_mine:** Naceville Materials J.V. → Plumstead Materials; 2015-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Haines & Kibblehouse Inc et al → Naceville Materials J.V.; 2015-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Naceville Materials Inc  et al → Naceville Materials J.V.; 2015-04-13 to current/open; source msha-controller-operator-history