# Relationship history for MSHA mine 0405305

Current hierarchy: **Lee  Newhouse → California Calcium Carbonate Inc → BLM CAMC CLAIM #'S:48944THR48960**

- 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:** California Calcium Carbonate Inc → BLM CAMC CLAIM #'S:48944THR48960; 1996-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lee  Newhouse → BLM CAMC CLAIM #'S:48944THR48960; 1996-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lee  Newhouse → California Calcium Carbonate Inc; 1996-12-01 to current/open; source msha-controller-operator-history
