# Relationship history for MSHA mine 3609000

Current hierarchy: **Richard J Rexer → REXERS LLC → DUSHORE CONSTRUCTION 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** John R  Kibblehouse et al → DUSHORE CONSTRUCTION MATERIALS; 1988-03-01 to 2023-01-24; source msha-controller-operator-history
- **operator_operates_mine:** Haines & Kibblehouse Inc → DUSHORE CONSTRUCTION MATERIALS; 2001-06-01 to 2014-02-19; source msha-controller-operator-history
- **controller_controls_operator:** John R  Kibblehouse et al → Haines & Kibblehouse Inc; 2001-06-01 to 2014-02-19; source msha-controller-operator-history
- **controller_controls_operator:** John B  Haines IV et al → Haines & Kibblehouse Inc; 2001-06-01 to 2014-02-19; source msha-controller-operator-history
- **operator_operates_mine:** Rexers LLC → DUSHORE CONSTRUCTION MATERIALS; 2014-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard J Rexer → DUSHORE CONSTRUCTION MATERIALS; 2014-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard J Rexer → Rexers LLC; 2014-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James  Haines et al → DUSHORE CONSTRUCTION MATERIALS; 2023-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Haines et al → Haines & Kibblehouse Inc; 2023-01-25 to 2014-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Harry Christian Budenz et al → Haines & Kibblehouse Inc; 2023-01-25 to 2014-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Scott B Haines et al → Haines & Kibblehouse Inc; 2023-01-25 to 2014-02-19; source msha-controller-operator-history
- **controller_controls_operator:** John R Kibblehouse Jr et al → Haines & Kibblehouse Inc; 2023-01-25 to 2014-02-19; source msha-controller-operator-history