# Relationship history for MSHA mine 2902296

Current hierarchy: **GMS Inc; David  Shoup → United Materials, LLP → Northcutt**

- 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:** Constructors Inc (NM) → Northcutt; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Southeast Aggregates → Northcutt; 2005-10-11 to 2006-12-03; source msha-controller-operator-history
- **controller_controls_mine:** Garth D  Goodey → Northcutt; 2005-10-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Garth D  Goodey → Southeast Aggregates; 2005-10-11 to 2006-12-03; source msha-controller-operator-history
- **operator_operates_mine:** Constructors Inc → Northcutt; 2006-12-04 to 2015-05-07; source msha-controller-operator-history
- **controller_controls_operator:** Constructors Inc (NM) → Constructors Inc; 2006-12-04 to 2015-05-07; source msha-controller-operator-history
- **operator_operates_mine:** United Materials, LLP → Northcutt; 2015-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David  Shoup et al → Northcutt; 2015-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Shoup et al → United Materials, LLP; 2015-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** GMS Inc et al → United Materials, LLP; 2015-05-08 to current/open; source msha-controller-operator-history