# Relationship history for MSHA mine 2901718

Current hierarchy: **Ted W  Elison → Cimarron Mining Corp Inc → Carrizozo Mill**

- 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:** Lincoln Mining & Milling → Carrizozo Mill; 1978-03-09 to 1978-11-19; source msha-controller-operator-history
- **controller_controls_mine:** Lincoln Mining & Milling → Carrizozo Mill; 1978-03-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lincoln Mining & Milling → Lincoln Mining & Milling; 1978-03-09 to 1978-11-19; source msha-controller-operator-history
- **operator_operates_mine:** Alpha Minerals Processing Inc → Carrizozo Mill; 1978-11-20 to 1979-08-21; source msha-controller-operator-history
- **controller_controls_mine:** Capitol One Of Nevada Inc → Carrizozo Mill; 1978-11-20 to 1979-08-21; source msha-controller-operator-history
- **controller_controls_operator:** Capitol One Of Nevada Inc → Alpha Minerals Processing Inc; 1978-11-20 to 1979-08-21; source msha-controller-operator-history
- **controller_controls_mine:** Thomas Billy D → Carrizozo Mill; 1979-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sierra Blanca Milling & Processing Corp → Carrizozo Mill; 1979-08-22 to 1980-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Thomas Billy D → Sierra Blanca Milling & Processing Corp; 1979-08-22 to 1980-07-22; source msha-controller-operator-history
- **operator_operates_mine:** Cimarron Mining Corp Inc → Carrizozo Mill; 1980-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ted W  Elison → Carrizozo Mill; 1980-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ted W  Elison → Cimarron Mining Corp Inc; 1980-07-23 to current/open; source msha-controller-operator-history