# Relationship history for MSHA mine 1202178

Current hierarchy: **Vigo Coal Company Incorporated → Vigo - Cypress Mine LLC → Cypress Creek 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

- **controller_controls_mine:** Vigo Coal Company Incorporated → Cypress Creek Mine; 1985-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Vigo Coal Company, Inc. → Cypress Creek Mine; 1995-04-01 to 2005-06-07; source msha-controller-operator-history
- **controller_controls_operator:** Vigo Coal Company Incorporated → Vigo Coal Company, Inc.; 1995-04-01 to 2005-06-07; source msha-controller-operator-history
- **operator_operates_mine:** Vigo - Cypress Mine LLC → Cypress Creek Mine; 2005-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Vigo Coal Company Incorporated → Cypress Creek Mine; 2005-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vigo Coal Company Incorporated → Vigo - Cypress Mine LLC; 2005-06-08 to current/open; source msha-controller-operator-history