# Relationship history for MSHA mine 1301118

Current hierarchy: **Mark A  Lundell → Lundell Const Co Inc → Oatman 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:** Wetherell Excavating & Trucking Inc → Oatman Pit; 1950-01-01 to 2003-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Kevin  Dreher et al → Oatman Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  Dreher et al → Wetherell Excavating & Trucking Inc; 1950-01-01 to 2003-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Charlene  Stewart et al → Wetherell Excavating & Trucking Inc; 1950-01-01 to 2003-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Lundell Const Co Inc → Oatman Pit; 2003-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mark A  Lundell → Oatman Pit; 2003-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark A  Lundell → Lundell Const Co Inc; 2003-07-01 to current/open; source msha-controller-operator-history