# Relationship history for MSHA mine 0405900

Current hierarchy: **William  Larson → RPL Mining Limited LLC → Mountain Lily 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

- **controller_controls_mine:** William  Larson et al → Mountain Lily Mine; 2012-02-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** RPL Mining Limited LLC → Mountain Lily Mine; 2015-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William  Larson et al → RPL Mining Limited LLC; 2015-06-16 to current/open; source msha-controller-operator-history