# Relationship history for MSHA mine 4104202

Current hierarchy: **Jennifer  Sweezy → Jentex Construction Inc → MONTE CRISTO 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:** G Materials Inc → MONTE CRISTO PIT; 2000-08-01 to 2001-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Hector M  Gutierrez → MONTE CRISTO PIT; 2000-08-01 to 2001-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Hector M  Gutierrez → G Materials Inc; 2000-08-01 to 2001-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Jentex Construction Inc → MONTE CRISTO PIT; 2001-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jennifer  Sweezy → MONTE CRISTO PIT; 2001-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jennifer  Sweezy → Jentex Construction Inc; 2001-03-31 to current/open; source msha-controller-operator-history