# Relationship history for MSHA mine 0103060

Current hierarchy: **Bullard Eva W → Hot Mix Transport Inc → ATMORE 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:** Gulf Coast Mining Llc → ATMORE MATERIALS; 1995-11-01 to 1997-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Singleton Kelly W Et Al → ATMORE MATERIALS; 1995-11-01 to 1997-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Singleton Kelly W Et Al → Gulf Coast Mining Llc; 1995-11-01 to 1997-08-11; source msha-controller-operator-history
- **operator_operates_mine:** Hot Mix Transport Inc → ATMORE MATERIALS; 1997-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bullard Eva W → ATMORE MATERIALS; 1997-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bullard Eva W → Hot Mix Transport Inc; 1997-08-12 to current/open; source msha-controller-operator-history