# Relationship history for MSHA mine 1519458

Current hierarchy: **Andrew  Tennant; Richard  Cutone → Rio Mining → No 1**

- 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:** Rio Mining, LLC → No 1; 2009-12-21 to 2011-01-27; source msha-controller-operator-history
- **controller_controls_mine:** Richard  Cutone et al → No 1; 2009-12-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Cutone et al → Rio Mining, LLC; 2009-12-21 to 2011-01-27; source msha-controller-operator-history
- **controller_controls_operator:** Andrew  Tennant et al → Rio Mining, LLC; 2009-12-21 to 2011-01-27; source msha-controller-operator-history
- **operator_operates_mine:** Diversified Mining, inc. → No 1; 2011-01-28 to 2011-11-07; source msha-controller-operator-history
- **controller_controls_mine:** Jefferson Adams  Bootes → No 1; 2011-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jefferson Adams  Bootes → Diversified Mining, inc.; 2011-01-28 to 2011-11-07; source msha-controller-operator-history
- **operator_operates_mine:** Rio Mining → No 1; 2011-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Andrew  Tennant et al → Rio Mining; 2011-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Cutone et al → Rio Mining; 2011-11-08 to current/open; source msha-controller-operator-history