# Relationship history for MSHA mine 3102277

Current hierarchy: **Kenneth Lee  Pearson → Blue Ridge Mountain Stone, LLC. → Blue Ridge Mine/Hicks Chapel**

- 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:** Merle D  Andrews → Blue Ridge Mine/Hicks Chapel; 1991-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Blue Ridge Quarries, Inc → Blue Ridge Mine/Hicks Chapel; 2012-08-19 to 2015-03-04; source msha-controller-operator-history
- **controller_controls_operator:** Merle D  Andrews → Blue Ridge Quarries, Inc; 2012-08-19 to 2015-03-04; source msha-controller-operator-history
- **operator_operates_mine:** Blue Ridge Mountain Stone, LLC. → Blue Ridge Mine/Hicks Chapel; 2015-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth Lee  Pearson → Blue Ridge Mine/Hicks Chapel; 2015-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth Lee  Pearson → Blue Ridge Mountain Stone, LLC.; 2015-03-05 to current/open; source msha-controller-operator-history