# Relationship history for MSHA mine 4105177

Current hierarchy: **ATM Holdings LLC → Armadillo Materials, LLC → West Henly Materials**

- 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:** La Bala de Plata Investments, LLC → West Henly Materials; 2016-03-14 to 2022-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Catherine  Wheeler et al → West Henly Materials; 2016-03-14 to 2021-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Catherine  Wheeler et al → La Bala de Plata Investments, LLC; 2016-03-14 to 2021-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Deborah  Dworaczyk et al → La Bala de Plata Investments, LLC; 2016-03-14 to 2021-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Wheeler et al → La Bala de Plata Investments, LLC; 2016-03-14 to 2021-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Wayne  Dworaczyk et al → La Bala de Plata Investments, LLC; 2016-03-14 to 2021-04-20; source msha-controller-operator-history
- **controller_controls_mine:** Tex-Mix Partners Ltd → West Henly Materials; 2018-11-27 to 2021-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Catherine  Wheeler et al → West Henly Materials; 2021-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Catherine  Wheeler et al → La Bala de Plata Investments, LLC; 2021-04-21 to 2022-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Wheeler et al → La Bala de Plata Investments, LLC; 2021-04-21 to 2022-09-30; source msha-controller-operator-history
- **controller_controls_mine:** ATM Holdings LLC → West Henly Materials; 2022-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Armadillo Materials, LLC → West Henly Materials; 2022-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tex-Mix Partners Ltd → Armadillo Materials, LLC; 2022-10-01 to 2021-12-31; source msha-controller-operator-history
- **controller_controls_operator:** ATM Holdings LLC → Armadillo Materials, LLC; 2022-10-01 to current/open; source msha-controller-operator-history