# Relationship history for MSHA mine 3401858

Current hierarchy: **Clifton  Teague → Marble City Gravel Incorporated → MARBLE CITY GRAVEL INCORPORATED**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Marble City Gravel Incorporated → MARBLE CITY GRAVEL INCORPORATED; 2001-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mathis Leo → MARBLE CITY GRAVEL INCORPORATED; 2001-03-01 to 2001-07-24; source msha-controller-operator-history
- **controller_controls_operator:** Mathis Leo → Marble City Gravel Incorporated; 2001-03-01 to 2001-07-24; source msha-controller-operator-history
- **controller_controls_mine:** Stites Mike → MARBLE CITY GRAVEL INCORPORATED; 2001-07-25 to 2003-08-20; source msha-controller-operator-history
- **controller_controls_operator:** Stites Mike → Marble City Gravel Incorporated; 2001-07-25 to 2003-08-20; source msha-controller-operator-history
- **controller_controls_mine:** Clifton  Teague → MARBLE CITY GRAVEL INCORPORATED; 2003-08-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clifton  Teague → Marble City Gravel Incorporated; 2003-08-21 to current/open; source msha-controller-operator-history