# Relationship history for MSHA mine 4503414

Current hierarchy: **Michael  Parsons; Greg  Books → Marine View Sand & Gravel Llc → MARINE VIEW 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

- **operator_operates_mine:** Jim Foran Company → MARINE VIEW PIT; 1999-11-01 to 2000-10-01; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Foran → MARINE VIEW PIT; 1999-11-01 to 2000-10-01; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Foran → Jim Foran Company; 1999-11-01 to 2000-10-01; source msha-controller-operator-history
- **operator_operates_mine:** Marine View Sand & Gravel Llc → MARINE VIEW PIT; 2000-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Parsons et al → MARINE VIEW PIT; 2000-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Parsons et al → Marine View Sand & Gravel Llc; 2000-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Greg  Books et al → Marine View Sand & Gravel Llc; 2000-10-02 to current/open; source msha-controller-operator-history