# Relationship history for MSHA mine 3001982

Current hierarchy: **Rogers Guy → Guy Rogers → PINE VIEW FARM 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:** Pine View Farm → PINE VIEW FARM PIT; 1950-01-01 to 1998-04-19; source msha-controller-operator-history
- **controller_controls_mine:** Pine View Farm → PINE VIEW FARM PIT; 1950-01-01 to 1998-04-19; source msha-controller-operator-history
- **controller_controls_operator:** Pine View Farm → Pine View Farm; 1950-01-01 to 1998-04-19; source msha-controller-operator-history
- **operator_operates_mine:** Guy Rogers → PINE VIEW FARM PIT; 1998-04-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rogers Guy → PINE VIEW FARM PIT; 1998-04-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rogers Guy → Guy Rogers; 1998-04-20 to current/open; source msha-controller-operator-history