# Relationship history for MSHA mine 2700347

Current hierarchy: **Daniel  Olson; Phillip  Guptill → PJP Company Inc → PJP Company Inc.**

- 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:** PJP Company Inc → PJP Company Inc.; 2000-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daniel  Olson et al → PJP Company Inc.; 2000-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Olson et al → PJP Company Inc; 2000-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Phillip  Guptill et al → PJP Company Inc; 2000-04-01 to current/open; source msha-controller-operator-history