# Relationship history for MSHA mine 1508332

Current hierarchy: **Davidson Michael W → Wind River Corp → Wind River Corp #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

- **controller_controls_mine:** Adkins James L & Mike Little → Wind River Corp #1; 1974-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Little & Adkins Coal Company Inc → Wind River Corp #1; 1975-05-06 to 1980-08-03; source msha-controller-operator-history
- **controller_controls_operator:** Adkins James L & Mike Little → Little & Adkins Coal Company Inc; 1975-05-06 to 1980-08-03; source msha-controller-operator-history
- **operator_operates_mine:** Red Mining Company Inc → Wind River Corp #1; 1980-08-04 to 1983-08-17; source msha-controller-operator-history
- **controller_controls_mine:** Adkins James L → Wind River Corp #1; 1980-08-04 to 1983-08-17; source msha-controller-operator-history
- **controller_controls_operator:** Adkins James L → Red Mining Company Inc; 1980-08-04 to 1983-08-17; source msha-controller-operator-history
- **operator_operates_mine:** Wind River Corp → Wind River Corp #1; 1983-08-18 to 1983-10-24; source msha-controller-operator-history
- **controller_controls_mine:** Davidson Michael W → Wind River Corp #1; 1983-08-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Davidson Michael W → Wind River Corp; 1983-08-18 to 1983-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Badger Mining Company Inc → Wind River Corp #1; 1983-10-25 to 1984-12-26; source msha-controller-operator-history
- **controller_controls_mine:** Hamby Jerry → Wind River Corp #1; 1983-10-25 to 1984-12-26; source msha-controller-operator-history
- **controller_controls_operator:** Hamby Jerry → Badger Mining Company Inc; 1983-10-25 to 1984-12-26; source msha-controller-operator-history
- **operator_operates_mine:** Bent Branch Mining Company Inc → Wind River Corp #1; 1984-12-27 to 1985-10-21; source msha-controller-operator-history
- **controller_controls_mine:** Reffett Virgil Et Al → Wind River Corp #1; 1984-12-27 to 1985-10-21; source msha-controller-operator-history
- **controller_controls_operator:** Reffett Virgil Et Al → Bent Branch Mining Company Inc; 1984-12-27 to 1985-10-21; source msha-controller-operator-history
- **operator_operates_mine:** Prater & Baldridge Coal Company Inc → Wind River Corp #1; 1985-10-22 to 1991-01-21; source msha-controller-operator-history
- **controller_controls_mine:** Prater Taylor → Wind River Corp #1; 1985-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Prater Taylor → Prater & Baldridge Coal Company Inc; 1985-10-22 to 1991-01-21; source msha-controller-operator-history
- **operator_operates_mine:** Wind River Corp → Wind River Corp #1; 1991-01-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Davidson Michael W → Wind River Corp; 1991-01-22 to current/open; source msha-controller-operator-history