# Relationship history for MSHA mine 3301634

Current hierarchy: **Lindsey M  Schmitt → RUPP CONSTRUCTION INC → RUPP CONSTRUCTION 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:** Rupp Construction Inc → RUPP CONSTRUCTION INC; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dorothea M  Radabaugh et al → RUPP CONSTRUCTION INC; 1950-01-01 to 2015-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Dorothea M  Radabaugh et al → Rupp Construction Inc; 1950-01-01 to 2015-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Gary D  Radabaugh et al → Rupp Construction Inc; 1950-01-01 to 2015-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Lindsey M  Schmitt → RUPP CONSTRUCTION INC; 2015-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lindsey M  Schmitt → Rupp Construction Inc; 2015-04-01 to current/open; source msha-controller-operator-history