# Relationship history for MSHA mine 4105336

Current hierarchy: **Liberty Energy Inc → FREEDOM PROPPANT L.L.C. → FREEDOM PROPPANT-MONAHANS 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

- **operator_operates_mine:** EDWR Operations, LLC → FREEDOM PROPPANT-MONAHANS MINE; 2018-02-12 to 2019-07-03; source msha-controller-operator-history
- **controller_controls_mine:** Will  Glusac et al → FREEDOM PROPPANT-MONAHANS MINE; 2018-02-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Will  Glusac et al → EDWR Operations, LLC; 2018-02-12 to 2019-07-03; source msha-controller-operator-history
- **controller_controls_operator:** John  Cross et al → EDWR Operations, LLC; 2018-02-12 to 2019-07-03; source msha-controller-operator-history
- **controller_controls_mine:** Dustin  Bailey et al → FREEDOM PROPPANT-MONAHANS MINE; 2018-07-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** High Roller Management LLC → FREEDOM PROPPANT-MONAHANS MINE; 2019-07-04 to 2022-01-30; source msha-controller-operator-history
- **controller_controls_operator:** Dustin  Bailey et al → High Roller Management LLC; 2019-07-04 to 2022-01-30; source msha-controller-operator-history
- **controller_controls_operator:** Stephen  Greak et al → High Roller Management LLC; 2019-07-04 to 2022-01-30; source msha-controller-operator-history
- **operator_operates_mine:** Freedom Proppant L.L.C. → FREEDOM PROPPANT-MONAHANS MINE; 2022-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Liberty Energy Inc → FREEDOM PROPPANT-MONAHANS MINE; 2022-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Liberty Energy Inc → Freedom Proppant L.L.C.; 2022-01-31 to current/open; source msha-controller-operator-history
