# Relationship history for MSHA mine 0103419

Current hierarchy: **Sandton Credit Solutions Master Fund IV, LP → Prospect Mining & Development Company LLC → Maxine-Pratt 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

- **controller_controls_mine:** Ronald S  Bryant et al → Maxine-Pratt Mine; 1993-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Warrior Investments Company Inc → Maxine-Pratt Mine; 2009-10-15 to 2016-05-26; source msha-controller-operator-history
- **controller_controls_operator:** Ronald S  Bryant et al → Warrior Investments Company Inc; 2009-10-15 to 2016-05-26; source msha-controller-operator-history
- **operator_operates_mine:** Alaco L.L.C. → Maxine-Pratt Mine; 2016-05-27 to 2021-10-24; source msha-controller-operator-history
- **controller_controls_mine:** David E  Parton Sr → Maxine-Pratt Mine; 2016-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David E  Parton Sr → Alaco L.L.C.; 2016-05-27 to 2021-10-24; source msha-controller-operator-history
- **controller_controls_mine:** Sandton Credit Solutions Master Fund IV, LP → Maxine-Pratt Mine; 2016-12-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Prospect Mining & Development Company LLC → Maxine-Pratt Mine; 2021-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sandton Credit Solutions Master Fund IV, LP → Prospect Mining & Development Company LLC; 2021-10-25 to current/open; source msha-controller-operator-history