# Relationship history for MSHA mine 2003559

Current hierarchy: **Timothy R Remington → Remington Excavating → Jewell**

- 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:** Remington Excavating → Jewell; 2018-02-15 to 2019-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Karolyn  Trevino et al → Jewell; 2018-02-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Karolyn  Trevino et al → Remington Excavating; 2018-02-15 to 2019-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Lawrence  Bodtke et al → Remington Excavating; 2018-02-15 to 2019-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Pamela  Stafford et al → Remington Excavating; 2018-02-15 to 2019-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Remington Excavating → Jewell; 2019-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Timothy R Remington → Jewell; 2019-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy R Remington → Remington Excavating; 2019-04-01 to current/open; source msha-controller-operator-history