# Relationship history for MSHA mine 2301356

Current hierarchy: **Lola  Whetstine; Jonathan  Whetstine → River Rock Redi-Mix LLC → River Rock Redi-Mix LLC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Matherly Concrete Llc → River Rock Redi-Mix LLC; 1950-01-01 to 2000-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Nick L  Materly et al → River Rock Redi-Mix LLC; 1950-01-01 to 2000-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Nick L  Materly et al → Matherly Concrete Llc; 1950-01-01 to 2000-12-31; source msha-controller-operator-history
- **operator_operates_mine:** River Rock Redi-Mix LLC → River Rock Redi-Mix LLC; 2001-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lola  Whetstine et al → River Rock Redi-Mix LLC; 2001-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lola  Whetstine et al → River Rock Redi-Mix LLC; 2001-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jonathan  Whetstine et al → River Rock Redi-Mix LLC; 2001-01-01 to current/open; source msha-controller-operator-history