# Relationship history for MSHA mine 2200801

Current hierarchy: **William  Myles; Jessie  Conerly → Marion Clay and Gravel LLC → Marion Clay and Gravel**

- 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

- **operator_operates_mine:** Marion Clay and Gravel LLC → Marion Clay and Gravel; 2010-11-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jessie  Conerly et al → Marion Clay and Gravel; 2010-11-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jessie  Conerly et al → Marion Clay and Gravel LLC; 2010-11-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William  Myles et al → Marion Clay and Gravel LLC; 2010-11-12 to current/open; source msha-controller-operator-history