# Relationship history for MSHA mine 4609516

Current hierarchy: **Mark  Watts → MET COAL MINING, INC. → MINE NO.1**

- 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:** Four Pole Mining, LLC → MINE NO.1; 2016-09-08 to 2018-06-18; source msha-controller-operator-history
- **controller_controls_mine:** PhyllisAnne  Pesce → MINE NO.1; 2016-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** PhyllisAnne  Pesce → Four Pole Mining, LLC; 2016-09-08 to 2018-06-18; source msha-controller-operator-history
- **operator_operates_mine:** Rayco, LLC → MINE NO.1; 2018-06-19 to 2018-10-11; source msha-controller-operator-history
- **controller_controls_mine:** Brandon  Bishop → MINE NO.1; 2018-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brandon  Bishop → Rayco, LLC; 2018-06-19 to 2018-10-11; source msha-controller-operator-history
- **operator_operates_mine:** Four Pole Mining, LLC → MINE NO.1; 2018-10-12 to 2022-03-31; source msha-controller-operator-history
- **controller_controls_operator:** PhyllisAnne  Pesce → Four Pole Mining, LLC; 2018-10-12 to 2022-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Met Coal Mining, Inc. → MINE NO.1; 2022-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mark  Watts → MINE NO.1; 2022-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Watts → Met Coal Mining, Inc.; 2022-04-01 to current/open; source msha-controller-operator-history