# Relationship history for MSHA mine 2102831

Current hierarchy: **Stephen G  St Claire; Scott T  St Claire → Miller Excavating Inc → May #5 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

- **controller_controls_mine:** Peter J  Miller → May #5 Pit; 1950-01-01 to 2017-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Miller Excavating Inc → May #5 Pit; 1980-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter J  Miller → Miller Excavating Inc; 1980-10-01 to 2017-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Scott T  St Claire et al → May #5 Pit; 2018-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott T  St Claire et al → Miller Excavating Inc; 2018-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stephen G  St Claire et al → Miller Excavating Inc; 2018-01-01 to current/open; source msha-controller-operator-history
