# Relationship history for MSHA mine 4202394

Current hierarchy: **Transnational Group Inc → TAMG Minerals Inc. → Marble Mountain**

- 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 Mountain Inc → Marble Mountain; 2004-11-29 to 2015-09-22; source msha-controller-operator-history
- **controller_controls_mine:** Kendall W  Gardner → Marble Mountain; 2004-11-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kendall W  Gardner → Marble Mountain Inc; 2004-11-29 to 2015-09-22; source msha-controller-operator-history
- **operator_operates_mine:** TAMG Minerals Inc. → Marble Mountain; 2015-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Transnational Group Inc → Marble Mountain; 2015-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Transnational Group Inc → TAMG Minerals Inc.; 2015-09-23 to current/open; source msha-controller-operator-history