# Relationship history for MSHA mine 1001962

Current hierarchy: **J Marvin  Hess → Idaho Minerals Llc → ONEIDA MINE**

- 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:** Idaho Minerals Llc → ONEIDA MINE; 1999-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** J Marvin  Hess et al → ONEIDA MINE; 1999-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Marvin  Hess et al → Idaho Minerals Llc; 1999-07-01 to current/open; source msha-controller-operator-history
