# Relationship history for MSHA mine 0801195

Current hierarchy: **Donald L Brantley Jr → D L's Land Clearing & Shell Inc → D L's Land Clearing & Shell 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:** Quave Brothers Landclearing → D L's Land Clearing & Shell Inc; 1992-04-01 to 1996-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Walter  Quave et al → D L's Land Clearing & Shell Inc; 1992-04-01 to 1996-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Walter  Quave et al → Quave Brothers Landclearing; 1992-04-01 to 1996-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Arcadia Shell Pit Inc → D L's Land Clearing & Shell Inc; 1996-09-01 to 1998-02-01; source msha-controller-operator-history
- **controller_controls_mine:** Alice  Dedge → D L's Land Clearing & Shell Inc; 1996-09-01 to 1998-02-01; source msha-controller-operator-history
- **controller_controls_operator:** Alice  Dedge → Arcadia Shell Pit Inc; 1996-09-01 to 1998-02-01; source msha-controller-operator-history
- **operator_operates_mine:** D L's Land Clearing & Shell Inc → D L's Land Clearing & Shell Inc; 1998-02-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donald L Brantley Jr → D L's Land Clearing & Shell Inc; 1998-02-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald L Brantley Jr → D L's Land Clearing & Shell Inc; 1998-02-02 to current/open; source msha-controller-operator-history