# Relationship history for MSHA mine 0600006

Current hierarchy: **R Vincent  Noad; Cindy L  Noad → Conklin Limestone Company Inc → Falls Village Quarry**

- 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

- **operator_operates_mine:** Conklin Limestone Company Inc → Falls Village Quarry; 1950-01-01 to 2005-12-19; source msha-controller-operator-history
- **controller_controls_mine:** Jesse B  Conklin  et al → Falls Village Quarry; 1950-01-01 to 2005-12-06; source msha-controller-operator-history
- **controller_controls_operator:** Jesse B  Conklin  et al → Conklin Limestone Company Inc; 1950-01-01 to 2005-12-06; source msha-controller-operator-history
- **controller_controls_mine:** Frederick R  Conklin → Falls Village Quarry; 2005-12-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frederick R  Conklin → Conklin Limestone Company Inc; 2005-12-07 to 2005-12-19; source msha-controller-operator-history
- **operator_operates_mine:** Conklin Limestone Company Inc → Falls Village Quarry; 2005-12-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frederick  Conklin  et al → Falls Village Quarry; 2005-12-20 to 2006-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Frederick  Conklin  et al → Conklin Limestone Company Inc; 2005-12-20 to 2006-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Jesse B  Conklin  et al → Conklin Limestone Company Inc; 2005-12-20 to 2006-11-30; source msha-controller-operator-history
- **controller_controls_mine:** R Vincent  Noad  et al → Falls Village Quarry; 2006-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** R Vincent  Noad  et al → Conklin Limestone Company Inc; 2006-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cindy L  Noad  et al → Conklin Limestone Company Inc; 2006-12-01 to current/open; source msha-controller-operator-history