# Relationship history for MSHA mine 4202658

Current hierarchy: **CRH PLC → Staker & Parson Companies → Pisgah Aggs**

- 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:** CRH PLC → Pisgah Aggs; 2002-05-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pisgah Stone Products LLC → Pisgah Aggs; 2016-02-22 to 2026-07-09; source msha-controller-operator-history
- **controller_controls_mine:** William  Horsley et al → Pisgah Aggs; 2016-02-22 to 2016-12-22; source msha-controller-operator-history
- **controller_controls_operator:** William  Horsley et al → Pisgah Stone Products LLC; 2016-02-22 to 2016-12-22; source msha-controller-operator-history
- **controller_controls_operator:** Leo R Beus et al → Pisgah Stone Products LLC; 2016-02-22 to 2016-12-22; source msha-controller-operator-history
- **controller_controls_mine:** Michael K  Schugg et al → Pisgah Aggs; 2016-12-23 to 2017-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Michael K  Schugg et al → Pisgah Stone Products LLC; 2016-12-23 to 2017-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Annette  Beus et al → Pisgah Stone Products LLC; 2016-12-23 to 2017-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Leo R  Beus et al → Pisgah Stone Products LLC; 2016-12-23 to 2017-09-21; source msha-controller-operator-history
- **controller_controls_mine:** Pisgah Holdings LLC → Pisgah Aggs; 2017-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pisgah Holdings LLC → Pisgah Stone Products LLC; 2017-09-22 to 2026-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Staker & Parson Companies → Pisgah Aggs; 2026-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Staker & Parson Companies; 2026-07-10 to current/open; source msha-controller-operator-history