# Relationship history for MSHA mine 2700306

Current hierarchy: **Richard  Charbonneau; Mark  Charbonneau → Continental Paving Inc → BOW / HOOKSETT TOWN LINE PIT**

- 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:** Richard  Charbonneau  et al → BOW / HOOKSETT TOWN LINE PIT; 1986-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Continental Paving Inc → BOW / HOOKSETT TOWN LINE PIT; 1995-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Charbonneau  et al → Continental Paving Inc; 1995-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Charbonneau  et al → Continental Paving Inc; 1995-12-01 to current/open; source msha-controller-operator-history