# Relationship history for MSHA mine 2601483

Current hierarchy: **Atlantic Richfield Company → Anaconda Minerals Company → Nevada Molly Project**

- 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:** Atlantic Richfield Company → Nevada Molly Project; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bovee David → Nevada Molly Project; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Centennial Development Company → Nevada Molly Project; 1978-03-09 to 1979-03-29; source msha-controller-operator-history
- **controller_controls_operator:** Bovee David → Centennial Development Company; 1978-03-09 to 1979-03-29; source msha-controller-operator-history
- **operator_operates_mine:** Anaconda Minerals Company → Nevada Molly Project; 1979-03-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Atlantic Richfield Company → Anaconda Minerals Company; 1979-03-30 to current/open; source msha-controller-operator-history