# Relationship history for MSHA mine 4103181

Current hierarchy: **Josh  Fuller; Jason  Fuller; Jared  Fuller → L.A. Fuller & Sons Construction, Ltd. → Sawyer 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

- **operator_operates_mine:** Rolling Plains Sand & Gravel → Sawyer Pit; 1983-06-01 to 2026-01-11; source msha-controller-operator-history
- **controller_controls_mine:** Rolling Plains Sand & Gravel → Sawyer Pit; 1983-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rolling Plains Sand & Gravel → Rolling Plains Sand & Gravel; 1983-06-01 to 2026-01-11; source msha-controller-operator-history
- **controller_controls_mine:** Mike  Fuller  et al → Sawyer Pit; 1999-05-01 to 2021-05-18; source msha-controller-operator-history
- **controller_controls_mine:** Josh  Fuller et al → Sawyer Pit; 2021-05-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** L.A. Fuller & Sons Construction, Ltd. → Sawyer Pit; 2026-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Josh  Fuller et al → L.A. Fuller & Sons Construction, Ltd.; 2026-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jared  Fuller et al → L.A. Fuller & Sons Construction, Ltd.; 2026-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Fuller et al → L.A. Fuller & Sons Construction, Ltd.; 2026-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Fuller  et al → L.A. Fuller & Sons Construction, Ltd.; 2026-01-12 to 2021-05-18; source msha-controller-operator-history
