# Relationship history for MSHA mine 4607783

Current hierarchy: **O'Dell Gordon E → Glx Development Corp → No 1**

- 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:** Jeremiah Mining Industries Inc → No 1; 1989-10-01 to 1992-02-02; source msha-controller-operator-history
- **controller_controls_mine:** Jerry  Jones et al → No 1; 1989-10-01 to 1992-02-02; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Jones et al → Jeremiah Mining Industries Inc; 1989-10-01 to 1992-02-02; source msha-controller-operator-history
- **operator_operates_mine:** Durango Enterprizes Ltd → No 1; 1992-02-03 to 1992-09-16; source msha-controller-operator-history
- **controller_controls_mine:** Sigler Walter W Et Al → No 1; 1992-02-03 to 1992-09-16; source msha-controller-operator-history
- **controller_controls_operator:** Sigler Walter W Et Al → Durango Enterprizes Ltd; 1992-02-03 to 1992-09-16; source msha-controller-operator-history
- **operator_operates_mine:** Del-Mar Trucking Inc → No 1; 1992-09-17 to 1993-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Facemire Lanty D → No 1; 1992-09-17 to 1993-05-26; source msha-controller-operator-history
- **controller_controls_operator:** Facemire Lanty D → Del-Mar Trucking Inc; 1992-09-17 to 1993-05-26; source msha-controller-operator-history
- **operator_operates_mine:** Glx Development Corp → No 1; 1993-05-27 to 1993-07-02; source msha-controller-operator-history
- **controller_controls_mine:** Smith Robyn E → No 1; 1993-05-27 to 1993-07-02; source msha-controller-operator-history
- **controller_controls_operator:** Smith Robyn E → Glx Development Corp; 1993-05-27 to 1993-07-02; source msha-controller-operator-history
- **operator_operates_mine:** Rtj Enterprises → No 1; 1993-07-03 to 1994-03-14; source msha-controller-operator-history
- **controller_controls_mine:** Mills Ronald Gray → No 1; 1993-07-03 to 1994-03-14; source msha-controller-operator-history
- **controller_controls_operator:** Mills Ronald Gray → Rtj Enterprises; 1993-07-03 to 1994-03-14; source msha-controller-operator-history
- **operator_operates_mine:** Central Coal Sales & Management Inc → No 1; 1994-03-15 to 1995-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Mc Kinney Randall → No 1; 1994-03-15 to 1995-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Mc Kinney Randall → Central Coal Sales & Management Inc; 1994-03-15 to 1995-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Glx Development Corp → No 1; 1995-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** O'Dell Gordon E → No 1; 1995-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** O'Dell Gordon E → Glx Development Corp; 1995-10-01 to current/open; source msha-controller-operator-history