# Relationship history for MSHA mine 1601288

Current hierarchy: **Verl  Holland; Rodney  Cockerham → G R Pit → G.R. 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** (Thomas) Jerald  Hanchey → G.R. PIT; 1986-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lafayette Asphalt Inc → G.R. PIT; 1995-05-01 to 1997-10-08; source msha-controller-operator-history
- **controller_controls_operator:** (Thomas) Jerald  Hanchey → Lafayette Asphalt Inc; 1995-05-01 to 1997-10-08; source msha-controller-operator-history
- **operator_operates_mine:** G R Pit → G.R. PIT; 1997-10-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rodney  Cockerham  et al → G.R. PIT; 1997-10-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rodney  Cockerham  et al → G R Pit; 1997-10-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Verl  Holland  et al → G R Pit; 1997-10-09 to current/open; source msha-controller-operator-history