# Relationship history for MSHA mine 3000042

Current hierarchy: **Susan F  Bellisario → Finger Lakes Stone Company Inc → Finger Lakes Stone Company Inc**

- 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:** Finger Lakes Stone Company Inc → Finger Lakes Stone Company Inc; 1950-01-01 to 2001-04-09; source msha-controller-operator-history
- **controller_controls_mine:** Ormsby  Dolph → Finger Lakes Stone Company Inc; 1950-01-01 to 2001-04-09; source msha-controller-operator-history
- **controller_controls_operator:** Ormsby  Dolph → Finger Lakes Stone Company Inc; 1950-01-01 to 2001-04-09; source msha-controller-operator-history
- **operator_operates_mine:** Finger Lakes Stone Company Inc → Finger Lakes Stone Company Inc; 2001-04-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James F  Hobart et al → Finger Lakes Stone Company Inc; 2001-04-10 to 2019-09-19; source msha-controller-operator-history
- **controller_controls_operator:** James F  Hobart et al → Finger Lakes Stone Company Inc; 2001-04-10 to 2019-09-19; source msha-controller-operator-history
- **controller_controls_operator:** Richard G  Hobart et al → Finger Lakes Stone Company Inc; 2001-04-10 to 2019-09-19; source msha-controller-operator-history
- **controller_controls_mine:** Susan F  Bellisario → Finger Lakes Stone Company Inc; 2019-09-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Susan F  Bellisario → Finger Lakes Stone Company Inc; 2019-09-20 to current/open; source msha-controller-operator-history