# Relationship history for MSHA mine 4200626

Current hierarchy: **Roedel Mike & Billy → Roedel Mining → Shinarump**

- 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:** Clark Mining Inc → Shinarump; 1950-01-01 to 1980-05-12; source msha-controller-operator-history
- **controller_controls_mine:** Clark Oral C → Shinarump; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clark Oral C → Clark Mining Inc; 1950-01-01 to 1980-05-12; source msha-controller-operator-history
- **controller_controls_mine:** Shumway Larry & Jody → Shinarump; 1978-05-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Larry & Jody Shumway Mining → Shinarump; 1980-05-13 to 1983-04-04; source msha-controller-operator-history
- **controller_controls_operator:** Shumway Larry & Jody → Larry & Jody Shumway Mining; 1980-05-13 to 1983-04-04; source msha-controller-operator-history
- **operator_operates_mine:** Mineral Mining Company → Shinarump; 1983-04-05 to 1985-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Butt Jim C → Shinarump; 1983-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Butt Jim C → Mineral Mining Company; 1983-04-05 to 1985-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Mike Roedel Mining → Shinarump; 1985-04-01 to 1986-12-02; source msha-controller-operator-history
- **controller_controls_mine:** Roedel Mike & William J Murphy → Shinarump; 1985-04-01 to 1986-12-02; source msha-controller-operator-history
- **controller_controls_operator:** Roedel Mike & William J Murphy → Mike Roedel Mining; 1985-04-01 to 1986-12-02; source msha-controller-operator-history
- **operator_operates_mine:** Vern Shumway-Operator → Shinarump; 1986-12-03 to 1987-10-12; source msha-controller-operator-history
- **controller_controls_mine:** Vern  Shumway → Shinarump; 1986-12-03 to 1987-10-12; source msha-controller-operator-history
- **controller_controls_operator:** Vern  Shumway → Vern Shumway-Operator; 1986-12-03 to 1987-10-12; source msha-controller-operator-history
- **controller_controls_mine:** Roedel Mike & Billy → Shinarump; 1987-02-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Roedel Mining → Shinarump; 1987-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roedel Mike & Billy → Roedel Mining; 1987-10-13 to current/open; source msha-controller-operator-history