# Relationship history for MSHA mine 4104372

Current hierarchy: **Jay H.  Krasoff; Kyle  Tauch → Congress Materials → Congress Materials**

- 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:** Cooke County Stone LP → Congress Materials; 2002-07-24 to 2006-03-31; source msha-controller-operator-history
- **controller_controls_mine:** John I  Crisp  et al → Congress Materials; 2002-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John I  Crisp  et al → Cooke County Stone LP; 2002-07-24 to 2006-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Claude  Cox Jr  et al → Cooke County Stone LP; 2002-07-24 to 2006-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Green Aggregates, Inc. → Congress Materials; 2006-04-01 to 2009-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Walter  McNeil et al → Congress Materials; 2006-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Walter  McNeil et al → Green Aggregates, Inc.; 2006-04-01 to 2009-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Nelson  Happy et al → Green Aggregates, Inc.; 2006-04-01 to 2009-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Congress Materials → Congress Materials; 2009-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kyle  Tauch et al → Congress Materials; 2009-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kyle  Tauch et al → Congress Materials; 2009-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jay H.  Krasoff et al → Congress Materials; 2009-08-01 to current/open; source msha-controller-operator-history