# Relationship history for MSHA mine 3503340

Current hierarchy: **Camm-Tex International → Camm-Tex International Inc → Deer Creek Placer**

- 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:** Camm-Tex International → Deer Creek Placer; 1989-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Partners In Kind Inc → Deer Creek Placer; 1989-12-01 to 1990-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Baker Fred E → Deer Creek Placer; 1989-12-01 to 1990-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Baker Fred E → Partners In Kind Inc; 1989-12-01 to 1990-10-09; source msha-controller-operator-history
- **operator_operates_mine:** Camm-Tex International Inc → Deer Creek Placer; 1990-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Camm-Tex International → Camm-Tex International Inc; 1990-10-10 to current/open; source msha-controller-operator-history
