# Relationship history for MSHA mine 3608983

Current hierarchy: **Stacey  McClain → S. McClain Stone Co., Inc. → Ellis Quarry 1 & 2**

- 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

- **operator_operates_mine:** Ellis Farm → Ellis Quarry 1 & 2; 2001-05-01 to 2005-08-08; source msha-controller-operator-history
- **controller_controls_mine:** Charles W  Ellis → Ellis Quarry 1 & 2; 2001-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles W  Ellis → Ellis Farm; 2001-05-01 to 2005-08-08; source msha-controller-operator-history
- **operator_operates_mine:** S. McClain Stone Co., Inc. → Ellis Quarry 1 & 2; 2005-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stacey  McClain → Ellis Quarry 1 & 2; 2005-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stacey  McClain → S. McClain Stone Co., Inc.; 2005-08-09 to current/open; source msha-controller-operator-history