# Relationship history for MSHA mine 0502354

Current hierarchy: **Citiresources Inc & Virginia Canyon Mining Co Inc → Cr-Vcm Joint Venture → Bald Eagle 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

- **operator_operates_mine:** Concord Minerals Corp → Bald Eagle Mine; 1950-01-01 to 1983-07-10; source msha-controller-operator-history
- **controller_controls_mine:** Concord Corp → Bald Eagle Mine; 1950-01-01 to 1984-01-08; source msha-controller-operator-history
- **controller_controls_operator:** Concord Corp → Concord Minerals Corp; 1950-01-01 to 1983-07-10; source msha-controller-operator-history
- **operator_operates_mine:** E & J Minerals Corp → Bald Eagle Mine; 1983-07-11 to 1987-09-22; source msha-controller-operator-history
- **controller_controls_mine:** Cochran Tom H & C J Vasilius → Bald Eagle Mine; 1983-07-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cochran Tom H & C J Vasilius → E & J Minerals Corp; 1983-07-11 to 1987-09-22; source msha-controller-operator-history
- **operator_operates_mine:** Occidental Mineral Development Inc → Bald Eagle Mine; 1987-09-23 to 1989-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Riedell Donald → Bald Eagle Mine; 1987-09-23 to 1989-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Riedell Donald → Occidental Mineral Development Inc; 1987-09-23 to 1989-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Cr-Vcm Joint Venture → Bald Eagle Mine; 1989-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Citiresources Inc & Virginia Canyon Mining Co Inc → Bald Eagle Mine; 1989-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Citiresources Inc & Virginia Canyon Mining Co Inc → Cr-Vcm Joint Venture; 1989-05-01 to current/open; source msha-controller-operator-history