# Relationship history for MSHA mine 4801775

Current hierarchy: **Darryl  Lynde; Rich  Lynde → Lynde Scoria, LLC → Lynde Pit 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:** Lynde Scoria, LLC → Lynde Pit 1; 2014-01-28 to 2014-02-26; source msha-controller-operator-history
- **controller_controls_mine:** Rich  Lynde et al → Lynde Pit 1; 2014-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rich  Lynde et al → Lynde Scoria, LLC; 2014-01-28 to 2014-02-26; source msha-controller-operator-history
- **controller_controls_operator:** Darryl  Lynde et al → Lynde Scoria, LLC; 2014-01-28 to 2014-02-26; source msha-controller-operator-history
- **operator_operates_mine:** Lynde Scoria, LLC → Lynde Pit 1; 2014-02-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rich  Lynde et al → Lynde Pit 1; 2014-02-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rich  Lynde et al → Lynde Scoria, LLC; 2014-02-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Darryl  Lynde et al → Lynde Scoria, LLC; 2014-02-27 to current/open; source msha-controller-operator-history