# Relationship history for MSHA mine 1518963

Current hierarchy: **Chris  Patton; Nicki  Patton → C & N Mining LLC → No 1**

- 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:** Steve L  Lawson  et al → No 1; 1994-04-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bizzack I  Inc → No 1; 2006-01-30 to 2006-05-07; source msha-controller-operator-history
- **controller_controls_operator:** Steve L  Lawson  et al → Bizzack I  Inc; 2006-01-30 to 2006-05-07; source msha-controller-operator-history
- **controller_controls_operator:** Leonard  Lawson  et al → Bizzack I  Inc; 2006-01-30 to 2006-05-07; source msha-controller-operator-history
- **operator_operates_mine:** C & N Mining LLC → No 1; 2006-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nicki  Patton  et al → No 1; 2006-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nicki  Patton  et al → C & N Mining LLC; 2006-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Patton  et al → C & N Mining LLC; 2006-05-08 to current/open; source msha-controller-operator-history
