# Relationship history for MSHA mine 0504981

Current hierarchy: **Kristen  Rinderle; Nathan  Rinderle et la → Upland Gravel LLC → Upland Pit #3**

- 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:** Upland Gravel LLC → Upland Pit #3; 2011-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nathan  Rinderle et al → Upland Pit #3; 2011-04-05 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Nathan  Rinderle et al → Upland Gravel LLC; 2011-04-05 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Rinderle et al → Upland Gravel LLC; 2011-04-05 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Nathan  Rinderle et la → Upland Pit #3; 2015-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nathan  Rinderle et la → Upland Gravel LLC; 2015-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kristen  Rinderle et al → Upland Gravel LLC; 2015-01-01 to current/open; source msha-controller-operator-history