# Relationship history for MSHA mine 0503664

Current hierarchy: **Milton Earl-C A Scaturro → Front Range Mines Inc → Crazy Girl Mine & 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

- **controller_controls_mine:** Tatum Jim → Crazy Girl Mine & Mill; 1978-03-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Equity Gold Inc → Crazy Girl Mine & Mill; 1981-04-01 to 1982-04-08; source msha-controller-operator-history
- **controller_controls_operator:** Tatum Jim → Equity Gold Inc; 1981-04-01 to 1982-04-08; source msha-controller-operator-history
- **operator_operates_mine:** Comeco Inc → Crazy Girl Mine & Mill; 1982-04-09 to 1983-06-30; source msha-controller-operator-history
- **controller_controls_mine:** D'Andrimont Ben → Crazy Girl Mine & Mill; 1982-04-09 to 1983-06-30; source msha-controller-operator-history
- **controller_controls_operator:** D'Andrimont Ben → Comeco Inc; 1982-04-09 to 1983-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Front Range Mines Inc → Crazy Girl Mine & Mill; 1983-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Milton Earl-C A Scaturro Et Al → Crazy Girl Mine & Mill; 1983-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Milton Earl-C A Scaturro Et Al → Front Range Mines Inc; 1983-07-01 to current/open; source msha-controller-operator-history
