# Relationship history for MSHA mine 1200884

Current hierarchy: **Matthew T Crane; Jim  Rahn → Parke County Aggregates LLC → Parke County Aggregates LLC**

- 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:** W C Hargis & Son Inc → Parke County Aggregates LLC; 1950-01-01 to 2003-10-19; source msha-controller-operator-history
- **controller_controls_mine:** Warren  Artz  et al → Parke County Aggregates LLC; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Warren  Artz  et al → W C Hargis & Son Inc; 1950-01-01 to 2003-10-19; source msha-controller-operator-history
- **controller_controls_operator:** Helen H  Coy  et al → W C Hargis & Son Inc; 1950-01-01 to 2003-10-19; source msha-controller-operator-history
- **operator_operates_mine:** Parke County Aggregates LLC → Parke County Aggregates LLC; 2003-10-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Rahn et al → Parke County Aggregates LLC; 2003-10-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Rahn et al → Parke County Aggregates LLC; 2003-10-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matthew T Crane et al → Parke County Aggregates LLC; 2003-10-20 to current/open; source msha-controller-operator-history