# Relationship history for MSHA mine 2402118

Current hierarchy: **John  Muggli; Michelle  Muggli → Muggli Construction Llc → MUGGLI PIT**

- 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:** Muggli Construction Llc → MUGGLI PIT; 1997-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John  Muggli et al → MUGGLI PIT; 1997-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Muggli et al → Muggli Construction Llc; 1997-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michelle  Muggli et al → Muggli Construction Llc; 1997-08-01 to current/open; source msha-controller-operator-history
