# Relationship history for MSHA mine 4502016

Current hierarchy: **David G  Randles → Lynch Creek Quarry LLC → Lynch Creek Quarry LLC**

- 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:** Materne Brothers Company → Lynch Creek Quarry LLC; 1950-01-01 to 1979-05-01; source msha-controller-operator-history
- **controller_controls_mine:** R E  Materne Sr → Lynch Creek Quarry LLC; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** R E  Materne Sr → Materne Brothers Company; 1950-01-01 to 1979-05-01; source msha-controller-operator-history
- **operator_operates_mine:** Dave Shore → Lynch Creek Quarry LLC; 1979-05-02 to 1983-03-23; source msha-controller-operator-history
- **controller_controls_mine:** Dave  Shore → Lynch Creek Quarry LLC; 1979-05-02 to 1983-03-23; source msha-controller-operator-history
- **controller_controls_operator:** Dave  Shore → Dave Shore; 1979-05-02 to 1983-03-23; source msha-controller-operator-history
- **operator_operates_mine:** R W Henricksen Inc → Lynch Creek Quarry LLC; 1983-03-24 to 1991-03-05; source msha-controller-operator-history
- **controller_controls_mine:** Ray W  Henricksen → Lynch Creek Quarry LLC; 1983-03-24 to 1991-03-05; source msha-controller-operator-history
- **controller_controls_operator:** Ray W  Henricksen → R W Henricksen Inc; 1983-03-24 to 1991-03-05; source msha-controller-operator-history
- **operator_operates_mine:** Lynch Creek Quarry LLC → Lynch Creek Quarry LLC; 1991-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David G  Randles → Lynch Creek Quarry LLC; 1991-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David G  Randles → Lynch Creek Quarry LLC; 1991-03-06 to current/open; source msha-controller-operator-history