# Relationship history for MSHA mine 4104098

Current hierarchy: **Mart  Jordan; Taylor  Jordan → Jordan Paving Corporation → Gray County Crusher**

- 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:** Jordan Paving Corporation → Gray County Crusher; 1999-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Taylor  Jordan et al → Gray County Crusher; 1999-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Taylor  Jordan et al → Jordan Paving Corporation; 1999-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mart  Jordan et al → Jordan Paving Corporation; 1999-08-01 to current/open; source msha-controller-operator-history
