# Relationship history for MSHA mine 1517003

Current hierarchy: **American Metals & Coal International Inc → Solomons Mining Company → Phelps No. 1 Surface**

- 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:** Paul D  Corbin  et al → Phelps No. 1 Surface; 1975-02-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Corbin Coal Company Inc → Phelps No. 1 Surface; 1990-11-01 to 1999-08-03; source msha-controller-operator-history
- **controller_controls_operator:** Paul D  Corbin  et al → Corbin Coal Company Inc; 1990-11-01 to 1999-08-03; source msha-controller-operator-history
- **controller_controls_operator:** Mike M  Corbin  et al → Corbin Coal Company Inc; 1990-11-01 to 1999-08-03; source msha-controller-operator-history
- **operator_operates_mine:** Solomon'S Mining Company → Phelps No. 1 Surface; 1999-08-04 to 2001-05-15; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → Phelps No. 1 Surface; 1999-08-04 to 2001-05-15; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Solomon'S Mining Company; 1999-08-04 to 2001-05-15; source msha-controller-operator-history
- **operator_operates_mine:** Solomons Mining Company → Phelps No. 1 Surface; 2001-05-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** American Metals & Coal International Inc → Phelps No. 1 Surface; 2001-05-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** American Metals & Coal International Inc → Solomons Mining Company; 2001-05-16 to current/open; source msha-controller-operator-history