# Relationship history for MSHA mine 2200658

Current hierarchy: **Clinton P  Davis → Mississippi Limestone Corp → MISS. ONA**

- 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:** Clinton P  Davis et al → MISS. ONA; 1992-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mississippi Limestone Corp → MISS. ONA; 1994-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clinton P  Davis et al → Mississippi Limestone Corp; 1994-05-01 to current/open; source msha-controller-operator-history