# Relationship history for MSHA mine 3606157

Current hierarchy: **Nardulli James A → Glade Mill Coal Company Inc → Reed Mine**

- 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:** Brewster Hollow Reclamation Corp → Reed Mine; 1976-07-01 to 1977-06-07; source msha-controller-operator-history
- **controller_controls_mine:** Benjamin T  Elkin → Reed Mine; 1976-07-01 to 1977-06-07; source msha-controller-operator-history
- **controller_controls_operator:** Benjamin T  Elkin → Brewster Hollow Reclamation Corp; 1976-07-01 to 1977-06-07; source msha-controller-operator-history
- **operator_operates_mine:** Glade Mill Coal Company Inc → Reed Mine; 1977-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nardulli James A → Reed Mine; 1977-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nardulli James A → Glade Mill Coal Company Inc; 1977-06-08 to current/open; source msha-controller-operator-history