# Relationship history for MSHA mine 3607248

Current hierarchy: **Bernard C (aka Jr.)  Banks → American Asphalt Paving Company → Eaton 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

- **controller_controls_mine:** Koppers Company Inc → Eaton Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John F  Banks  et al → Eaton Pit; 1950-01-01 to 2017-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Wilkes-Barre Construction Company → Eaton Pit; 1981-12-01 to 1984-04-03; source msha-controller-operator-history
- **controller_controls_mine:** Bernard C  Banks  et al → Eaton Pit; 1981-12-01 to 1984-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Bernard C  Banks  et al → Wilkes-Barre Construction Company; 1981-12-01 to 1984-04-03; source msha-controller-operator-history
- **operator_operates_mine:** General Crushed Stone Company → Eaton Pit; 1984-04-04 to 1985-05-06; source msha-controller-operator-history
- **controller_controls_operator:** Koppers Company Inc → General Crushed Stone Company; 1984-04-04 to 1985-05-06; source msha-controller-operator-history
- **operator_operates_mine:** American Asphalt Paving Company → Eaton Pit; 1985-05-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John F  Banks  et al → American Asphalt Paving Company; 1985-05-07 to 2017-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Bernard C  Banks  et al → American Asphalt Paving Company; 1985-05-07 to 2017-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Bernard C (aka Jr.)  Banks → Eaton Pit; 2018-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bernard C (aka Jr.)  Banks → American Asphalt Paving Company; 2018-01-01 to current/open; source msha-controller-operator-history