# Relationship history for MSHA mine 4407274

Current hierarchy: **Alpha Metallurgical Resources Inc → Paramont Contura LLC → Bold Camp Surface**

- 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:** Shelly B  Mullins et al → Bold Camp Surface; 2008-07-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard W  Lindsay II → Bold Camp Surface; 2008-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Big Bear Mining Inc. → Bold Camp Surface; 2010-10-06 to 2011-09-26; source msha-controller-operator-history
- **controller_controls_operator:** Richard W  Lindsay II → Big Bear Mining Inc.; 2010-10-06 to 2011-09-26; source msha-controller-operator-history
- **operator_operates_mine:** Appalachian Contractors Inc. → Bold Camp Surface; 2011-09-27 to 2022-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Shelly B  Mullins et al → Appalachian Contractors Inc.; 2011-09-27 to 2022-01-26; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → Bold Camp Surface; 2016-07-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Contura LLC → Bold Camp Surface; 2022-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Paramont Contura LLC; 2022-01-27 to current/open; source msha-controller-operator-history