# Relationship history for MSHA mine 4201341

Current hierarchy: **Shumway Larry & Jody → Larry & Jody Shumway Mining → John 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:** Stocks Clayton Et Al → John Mine; 1950-01-01 to 1982-12-07; source msha-controller-operator-history
- **controller_controls_mine:** Shumway Larry & Jody → John Mine; 1978-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Johnston Vion L Et Al → John Mine; 1979-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S & S Mining Company Inc → John Mine; 1981-01-01 to 1981-05-11; source msha-controller-operator-history
- **controller_controls_operator:** Stocks Clayton Et Al → S & S Mining Company Inc; 1981-01-01 to 1981-05-11; source msha-controller-operator-history
- **operator_operates_mine:** Alvin Dee Mining → John Mine; 1981-05-12 to 1981-11-15; source msha-controller-operator-history
- **controller_controls_operator:** Johnston Vion L Et Al → Alvin Dee Mining; 1981-05-12 to 1981-11-15; source msha-controller-operator-history
- **operator_operates_mine:** David Mining Corp → John Mine; 1981-11-16 to 1982-07-11; source msha-controller-operator-history
- **controller_controls_mine:** David James R & Larry Roberts → John Mine; 1981-11-16 to 1982-07-11; source msha-controller-operator-history
- **controller_controls_operator:** David James R & Larry Roberts → David Mining Corp; 1981-11-16 to 1982-07-11; source msha-controller-operator-history
- **operator_operates_mine:** Larry & Jody Shumway Mining → John Mine; 1982-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shumway Larry & Jody → Larry & Jody Shumway Mining; 1982-07-12 to current/open; source msha-controller-operator-history