# Relationship history for MSHA mine 0405979

Current hierarchy: **Cameron  Ornelas; Mildred Mariana  Gomez → C & M TOPSOIL INC → Rosamond Site**

- 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

- **controller_controls_mine:** Mildred Mariana  Gomez et al → Rosamond Site; 2019-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C & M TOPSOIL INC → Rosamond Site; 2024-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mildred Mariana  Gomez et al → C & M TOPSOIL INC; 2024-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cameron  Ornelas et al → C & M TOPSOIL INC; 2024-06-16 to current/open; source msha-controller-operator-history