# Relationship history for MSHA mine 0103118

Current hierarchy: **Walter Energy Incorporated → Tuscaloosa Resources Inc → Searles 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:** Jerry M  Gaines → Searles Mine; 1995-09-15 to 2007-08-30; source msha-controller-operator-history
- **operator_operates_mine:** Southland Resources Inc → Searles Mine; 1998-02-01 to 1999-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Pat A  Jones → Searles Mine; 1998-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pat A  Jones → Southland Resources Inc; 1998-02-01 to 1999-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Tuscaloosa Resources Inc → Searles Mine; 1999-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry M  Gaines → Tuscaloosa Resources Inc; 1999-09-01 to 2007-08-30; source msha-controller-operator-history
- **controller_controls_mine:** Walter Energy Incorporated → Searles Mine; 2007-08-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Walter Energy Incorporated → Tuscaloosa Resources Inc; 2007-08-31 to current/open; source msha-controller-operator-history