# Relationship history for MSHA mine 3003167

Current hierarchy: **Joseph  Gottlieb Etal → MONTICELLO BLACK TOP CORP → RIO 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:** Julius  Cohen → RIO PIT; 1950-01-01 to 2014-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Monticello Black Top Corp → RIO PIT; 1996-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Julius  Cohen → Monticello Black Top Corp; 1996-07-01 to 2014-03-31; source msha-controller-operator-history
- **controller_controls_mine:** John  Benas et al → RIO PIT; 2014-04-01 to 2019-05-06; source msha-controller-operator-history
- **controller_controls_operator:** John  Benas et al → Monticello Black Top Corp; 2014-04-01 to 2019-05-06; source msha-controller-operator-history
- **controller_controls_operator:** Joseph  Gottlieb et al → Monticello Black Top Corp; 2014-04-01 to 2019-05-06; source msha-controller-operator-history
- **controller_controls_mine:** John R Peckham et al → RIO PIT; 2019-05-07 to 2021-01-31; source msha-controller-operator-history
- **controller_controls_operator:** John R Peckham et al → Monticello Black Top Corp; 2019-05-07 to 2021-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Joseph W Gottlieb et al → Monticello Black Top Corp; 2019-05-07 to 2021-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Joseph  Gottlieb Etal → RIO PIT; 2021-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph  Gottlieb Etal → Monticello Black Top Corp; 2021-02-01 to current/open; source msha-controller-operator-history