# Relationship history for MSHA mine 1102782

Current hierarchy: **Dunteman Paul → Channahon Material Company → CHANNAHON MATERIAL CO.**

- 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:** Channahon Material Company → CHANNAHON MATERIAL CO.; 1983-02-01 to 1990-05-14; source msha-controller-operator-history
- **controller_controls_mine:** Glenn  Carlson → CHANNAHON MATERIAL CO.; 1983-02-01 to 1990-05-14; source msha-controller-operator-history
- **controller_controls_operator:** Glenn  Carlson → Channahon Material Company; 1983-02-01 to 1990-05-14; source msha-controller-operator-history
- **operator_operates_mine:** Channahon Material Company → CHANNAHON MATERIAL CO.; 1990-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dunteman Paul → CHANNAHON MATERIAL CO.; 1990-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dunteman Paul → Channahon Material Company; 1990-05-15 to current/open; source msha-controller-operator-history